904539402 has 24 divisors (see below), whose sum is σ = 2110592484. Its totient is φ = 278319744.

The previous prime is 904539371. The next prime is 904539409. The reversal of 904539402 is 204935409.

904539402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 723663801 + 180875601 = 26901^2 + 13449^2 .

It is not an unprimeable number, because it can be changed into a prime (904539409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1932543 + ... + 1933010.

Almost surely, 2^904539402 is an apocalyptic number.

904539402 is an abundant number, since it is smaller than the sum of its proper divisors (1206053082).

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

904539402 is a wasteful number, since it uses less digits than its factorization.

904539402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3865574 (or 3865571 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 904539402 is about 30075.5615408923. The cubic root of 904539402 is about 967.1099018237.

The spelling of 904539402 in words is "nine hundred four million, five hundred thirty-nine thousand, four hundred two".