904389452 has 6 divisors (see below), whose sum is σ = 1582681548. Its totient is φ = 452194724.

The previous prime is 904389449. The next prime is 904389457. The reversal of 904389452 is 254983409.

It is not an unprimeable number, because it can be changed into a prime (904389457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113048678 + ... + 113048685.

It is an arithmetic number, because the mean of its divisors is an integer number (263780258).

Almost surely, 2^904389452 is an apocalyptic number.

It is an amenable number.

904389452 is a deficient number, since it is larger than the sum of its proper divisors (678292096).

904389452 is a wasteful number, since it uses less digits than its factorization.

904389452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226097367 (or 226097365 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 904389452 is about 30073.0685497839. The cubic root of 904389452 is about 967.0564579959.

The spelling of 904389452 in words is "nine hundred four million, three hundred eighty-nine thousand, four hundred fifty-two".