102684838 has 16 divisors (see below), whose sum is σ = 157333680. Its totient is φ = 50248800.

The previous prime is 102684833. The next prime is 102684863. The reversal of 102684838 is 838486201.

It is a self number, because there is not a number n which added to its sum of digits gives 102684838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102684833) 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, 23748 + ... + 27736.

It is an arithmetic number, because the mean of its divisors is an integer number (9833355).

Almost surely, 2^102684838 is an apocalyptic number.

102684838 is a deficient number, since it is larger than the sum of its proper divisors (54648842).

102684838 is a wasteful number, since it uses less digits than its factorization.

102684838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4263.

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 102684838 is about 10133.3527521744. The cubic root of 102684838 is about 468.2762236930.

The spelling of 102684838 in words is "one hundred two million, six hundred eighty-four thousand, eight hundred thirty-eight".