990973102 has 16 divisors (see below), whose sum is σ = 1722084192. Its totient is φ = 418884480.

The previous prime is 990973073. The next prime is 990973103. The reversal of 990973102 is 201379099.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990973103) 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, 483799 + ... + 485842.

It is an arithmetic number, because the mean of its divisors is an integer number (107630262).

Almost surely, 2^990973102 is an apocalyptic number.

990973102 is a deficient number, since it is larger than the sum of its proper divisors (731111090).

990973102 is a wasteful number, since it uses less digits than its factorization.

990973102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969723.

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 990973102 is about 31479.7252529307. The cubic root of 990973102 is about 996.9819344439.

The spelling of 990973102 in words is "nine hundred ninety million, nine hundred seventy-three thousand, one hundred two".