8436349 has 4 divisors (see below), whose sum is σ = 8465436. Its totient is φ = 8407264.

The previous prime is 8436319. The next prime is 8436353. The reversal of 8436349 is 9436348.

8436349 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.

It can be written as a sum of positive squares in 2 ways, for example, as 5522500 + 2913849 = 2350^2 + 1707^2 .

It is a cyclic number.

It is not a de Polignac number, because 8436349 - 2¹³ = 8428157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8436319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14104 + ... + 14689.

It is an arithmetic number, because the mean of its divisors is an integer number (2116359).

Almost surely, 2^8436349 is an apocalyptic number.

It is an amenable number.

8436349 is a deficient number, since it is larger than the sum of its proper divisors (29087).

8436349 is a wasteful number, since it uses less digits than its factorization.

8436349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29086.

The product of its digits is 62208, while the sum is 37.

The square root of 8436349 is about 2904.5393782836. The cubic root of 8436349 is about 203.5720636542.

Subtracting 8436349 from its reverse (9436348), we obtain a palindrome (999999).

The spelling of 8436349 in words is "eight million, four hundred thirty-six thousand, three hundred forty-nine".