902039980 has 24 divisors (see below), whose sum is σ = 1934589888. Its totient is φ = 353138688.

The previous prime is 902039959. The next prime is 902039993. The reversal of 902039980 is 89930209.

It is a happy number.

It is a super-2 number, since 2×902039980² = 1627352251036800800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478869 + ... + 480748.

It is an arithmetic number, because the mean of its divisors is an integer number (80607912).

Almost surely, 2^902039980 is an apocalyptic number.

It is an amenable number.

902039980 is an abundant number, since it is smaller than the sum of its proper divisors (1032549908).

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

902039980 is a wasteful number, since it uses less digits than its factorization.

902039980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959673 (or 959671 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 902039980 is about 30033.9804221818. The cubic root of 902039980 is about 966.2183078627.

The spelling of 902039980 in words is "nine hundred two million, thirty-nine thousand, nine hundred eighty".