102684930 has 64 divisors (see below), whose sum is σ = 274700160. Its totient is φ = 24413184.

The previous prime is 102684929. The next prime is 102684941. The reversal of 102684930 is 39486201.

It is a junction number, because it is equal to n+sod(n) for n = 102684891 and 102684900.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4392 + ... + 14988.

It is an arithmetic number, because the mean of its divisors is an integer number (4292190).

Almost surely, 2^102684930 is an apocalyptic number.

102684930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102684930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137350080).

102684930 is an abundant number, since it is smaller than the sum of its proper divisors (172015230).

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

102684930 is a wasteful number, since it uses less digits than its factorization.

102684930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10643.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 102684930 is about 10133.3572916383. The cubic root of 102684930 is about 468.2763635429.

The spelling of 102684930 in words is "one hundred two million, six hundred eighty-four thousand, nine hundred thirty".