902431002 has 32 divisors (see below), whose sum is σ = 1970864064. Its totient is φ = 273196800.

The previous prime is 902430979. The next prime is 902431003. The reversal of 902431002 is 200134209.

It is a self number, because there is not a number n which added to its sum of digits gives 902431002.

It is not an unprimeable number, because it can be changed into a prime (902431003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67602 + ... + 79842.

It is an arithmetic number, because the mean of its divisors is an integer number (61589502).

Almost surely, 2^902431002 is an apocalyptic number.

902431002 is an abundant number, since it is smaller than the sum of its proper divisors (1068433062).

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

902431002 is a wasteful number, since it uses less digits than its factorization.

902431002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13374.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 902431002 is about 30040.4893768394. The cubic root of 902431002 is about 966.3579018365.

The spelling of 902431002 in words is "nine hundred two million, four hundred thirty-one thousand, two".