102687984 has 60 divisors (see below), whose sum is σ = 328441776. Its totient is φ = 29339136.

The previous prime is 102687979. The next prime is 102688021. The reversal of 102687984 is 489786201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49929 + ... + 51944.

Almost surely, 2^102687984 is an apocalyptic number.

102687984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102687984 is an abundant number, since it is smaller than the sum of its proper divisors (225753792).

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

102687984 is a wasteful number, since it uses less digits than its factorization.

102687984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101894 (or 101885 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 102687984 is about 10133.5079809511. The cubic root of 102687984 is about 468.2810059048.

The spelling of 102687984 in words is "one hundred two million, six hundred eighty-seven thousand, nine hundred eighty-four".