3436729 has 4 divisors (see below), whose sum is σ = 3586176. Its totient is φ = 3287284.

The previous prime is 3436723. The next prime is 3436757. The reversal of 3436729 is 9276343.

3436729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9276343 = 47 ⋅197369.

It is a cyclic number.

It is not a de Polignac number, because 3436729 - 2¹¹ = 3434681 is a prime.

It is a super-2 number, since 2×3436729² = 23622212438882, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3436694 and 3436703.

It is not an unprimeable number, because it can be changed into a prime (3436723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74689 + ... + 74734.

It is an arithmetic number, because the mean of its divisors is an integer number (896544).

Almost surely, 2^3436729 is an apocalyptic number.

It is an amenable number.

3436729 is a deficient number, since it is larger than the sum of its proper divisors (149447).

3436729 is a wasteful number, since it uses less digits than its factorization.

3436729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149446.

The product of its digits is 27216, while the sum is 34.

The square root of 3436729 is about 1853.8416868762. The cubic root of 3436729 is about 150.9089842282.

It can be divided in two parts, 34 and 36729, that added together give a palindrome (36763).

The spelling of 3436729 in words is "three million, four hundred thirty-six thousand, seven hundred twenty-nine".