904518396 has 72 divisors (see below), whose sum is σ = 2337229440. Its totient is φ = 294881184.

The previous prime is 904518383. The next prime is 904518397. The reversal of 904518396 is 693815409.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904518397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 306295 + ... + 309233.

It is an arithmetic number, because the mean of its divisors is an integer number (32461520).

Almost surely, 2^904518396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 904518396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1168614720).

904518396 is an abundant number, since it is smaller than the sum of its proper divisors (1432711044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

904518396 is a wasteful number, since it uses less digits than its factorization.

904518396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3135 (or 3130 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 904518396 is about 30075.2123184525. The cubic root of 904518396 is about 967.1024154102.

The spelling of 904518396 in words is "nine hundred four million, five hundred eighteen thousand, three hundred ninety-six".