109038990 has 32 divisors (see below), whose sum is σ = 262061856. Its totient is φ = 29036160.

The previous prime is 109038977. The next prime is 109039001. The reversal of 109038990 is 99830901.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23460 + ... + 27720.

It is an arithmetic number, because the mean of its divisors is an integer number (8189433).

Almost surely, 2^109038990 is an apocalyptic number.

109038990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109038990 is an abundant number, since it is smaller than the sum of its proper divisors (153022866).

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

109038990 is a wasteful number, since it uses less digits than its factorization.

109038990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5124.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 109038990 is about 10442.1736242987. The cubic root of 109038990 is about 477.7425683846.

The spelling of 109038990 in words is "one hundred nine million, thirty-eight thousand, nine hundred ninety".