904147420 has 24 divisors (see below), whose sum is σ = 2071320048. Its totient is φ = 328780800.

The previous prime is 904147403. The next prime is 904147423. The reversal of 904147420 is 24741409.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904147423) 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, 2054661 + ... + 2055100.

It is an arithmetic number, because the mean of its divisors is an integer number (86305002).

Almost surely, 2^904147420 is an apocalyptic number.

It is an amenable number.

904147420 is an abundant number, since it is smaller than the sum of its proper divisors (1167172628).

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

904147420 is a wasteful number, since it uses less digits than its factorization.

904147420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4109781 (or 4109779 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 904147420 is about 30069.0442149397. The cubic root of 904147420 is about 966.9701826674.

Adding to 904147420 its reverse (24741409), we get a palindrome (928888829).

The spelling of 904147420 in words is "nine hundred four million, one hundred forty-seven thousand, four hundred twenty".