904298920 has 128 divisors (see below), whose sum is σ = 2498400000. Its totient is φ = 293642496.

The previous prime is 904298917. The next prime is 904298921. The reversal of 904298920 is 29892409.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904298921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258946 + ... + 262414.

It is an arithmetic number, because the mean of its divisors is an integer number (19518750).

Almost surely, 2^904298920 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 904298920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1249200000).

904298920 is an abundant number, since it is smaller than the sum of its proper divisors (1594101080).

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

904298920 is a wasteful number, since it uses less digits than its factorization.

904298920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520 (or 3502 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 904298920 is about 30071.5633115407. The cubic root of 904298920 is about 967.0241885363.

The spelling of 904298920 in words is "nine hundred four million, two hundred ninety-eight thousand, nine hundred twenty".