102990684 has 24 divisors (see below), whose sum is σ = 246807568. Its totient is φ = 33402240.

The previous prime is 102990653. The next prime is 102990703. The reversal of 102990684 is 486099201.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115537 + ... + 116424.

Almost surely, 2^102990684 is an apocalyptic number.

It is an amenable number.

102990684 is an abundant number, since it is smaller than the sum of its proper divisors (143816884).

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

102990684 is a wasteful number, since it uses less digits than its factorization.

102990684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232005 (or 232003 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 102990684 is about 10148.4325883360. The cubic root of 102990684 is about 468.7406819125.

The spelling of 102990684 in words is "one hundred two million, nine hundred ninety thousand, six hundred eighty-four".