3435729 has 8 divisors (see below), whose sum is σ = 4997472. Its totient is φ = 2082240.

The previous prime is 3435727. The next prime is 3435739. The reversal of 3435729 is 9275343.

It is a happy number.

3435729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3435729 - 2¹ = 3435727 is a prime.

It is a super-2 number, since 2×3435729² = 23608467522882, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 104113 = 3435729 / (3 + 4 + 3 + 5 + 7 + 2 + 9).

3435729 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3435729.

It is not an unprimeable number, because it can be changed into a prime (3435727) 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 7 ways as a sum of consecutive naturals, for example, 52024 + ... + 52089.

It is an arithmetic number, because the mean of its divisors is an integer number (624684).

Almost surely, 2^3435729 is an apocalyptic number.

It is an amenable number.

3435729 is a deficient number, since it is larger than the sum of its proper divisors (1561743).

3435729 is a wasteful number, since it uses less digits than its factorization.

3435729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104127.

The product of its digits is 22680, while the sum is 33.

The square root of 3435729 is about 1853.5719570602. The cubic root of 3435729 is about 150.8943459269.

The spelling of 3435729 in words is "three million, four hundred thirty-five thousand, seven hundred twenty-nine".