904934317 has 4 divisors (see below), whose sum is σ = 1034210656. Its totient is φ = 775657980.

The previous prime is 904934279. The next prime is 904934339. The reversal of 904934317 is 713439409.

It is a happy number.

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: 713439409 = 1889 ⋅377681.

It is a cyclic number.

It is not a de Polignac number, because 904934317 - 2⁷ = 904934189 is a prime.

It is a super-2 number, since 2×904934317² = 1637812236168512978, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 904934317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904934117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64638159 + ... + 64638172.

It is an arithmetic number, because the mean of its divisors is an integer number (258552664).

Almost surely, 2^904934317 is an apocalyptic number.

It is an amenable number.

904934317 is a deficient number, since it is larger than the sum of its proper divisors (129276339).

904934317 is a wasteful number, since it uses less digits than its factorization.

904934317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129276338.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 904934317 is about 30082.1262047748. The cubic root of 904934317 is about 967.2506256136.

The spelling of 904934317 in words is "nine hundred four million, nine hundred thirty-four thousand, three hundred seventeen".