102635982 has 24 divisors (see below), whose sum is σ = 232047504. Its totient is φ = 32724384.

The previous prime is 102635971. The next prime is 102635983. The reversal of 102635982 is 289536201.

102635982 is a `hidden beast` number, since 1 + 0 + 2 + 63 + 598 + 2 = 666.

It is a super-2 number, since 2×102635982² = 21068289602208648, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102635983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123543 + ... + 124370.

It is an arithmetic number, because the mean of its divisors is an integer number (9668646).

Almost surely, 2^102635982 is an apocalyptic number.

102635982 is an abundant number, since it is smaller than the sum of its proper divisors (129411522).

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

102635982 is a wasteful number, since it uses less digits than its factorization.

102635982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247944 (or 247941 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 102635982 is about 10130.9418120923. The cubic root of 102635982 is about 468.2019455004.

The spelling of 102635982 in words is "one hundred two million, six hundred thirty-five thousand, nine hundred eighty-two".