108502638 has 16 divisors (see below), whose sum is σ = 226440576. Its totient is φ = 34595000.

The previous prime is 108502571. The next prime is 108502643. The reversal of 108502638 is 836205801.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 108502599 and 108502608.

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, 392988 + ... + 393263.

It is an arithmetic number, because the mean of its divisors is an integer number (14152536).

Almost surely, 2^108502638 is an apocalyptic number.

108502638 is an abundant number, since it is smaller than the sum of its proper divisors (117937938).

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

108502638 is a wasteful number, since it uses less digits than its factorization.

108502638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786279.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 108502638 is about 10416.4599552823. The cubic root of 108502638 is about 476.9579576973.

The spelling of 108502638 in words is "one hundred eight million, five hundred two thousand, six hundred thirty-eight".