108903690 has 80 divisors (see below), whose sum is σ = 334680192. Its totient is φ = 24890976.

The previous prime is 108903679. The next prime is 108903703. The reversal of 108903690 is 96309801.

It is a super-2 number, since 2×108903690² = 23720027391232200, 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 an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3934 + ... + 15273.

Almost surely, 2^108903690 is an apocalyptic number.

108903690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108903690 is an abundant number, since it is smaller than the sum of its proper divisors (225776502).

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

108903690 is a wasteful number, since it uses less digits than its factorization.

108903690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19233 (or 19224 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 108903690 is about 10435.6930771272. The cubic root of 108903690 is about 477.5448858146.

The spelling of 108903690 in words is "one hundred eight million, nine hundred three thousand, six hundred ninety".