904397623 has 8 divisors (see below), whose sum is σ = 929235888. Its totient is φ = 879580224.

The previous prime is 904397621. The next prime is 904397653. The reversal of 904397623 is 326793409.

904397623 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 a cyclic number.

It is not a de Polignac number, because 904397623 - 2¹ = 904397621 is a prime.

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 904397623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904397621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129540 + ... + 136342.

It is an arithmetic number, because the mean of its divisors is an integer number (116154486).

Almost surely, 2^904397623 is an apocalyptic number.

904397623 is a deficient number, since it is larger than the sum of its proper divisors (24838265).

904397623 is a wasteful number, since it uses less digits than its factorization.

904397623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10433.

The product of its (nonzero) digits is 244944, while the sum is 43.

The square root of 904397623 is about 30073.2044019256. The cubic root of 904397623 is about 967.0593703823.

The spelling of 904397623 in words is "nine hundred four million, three hundred ninety-seven thousand, six hundred twenty-three".