109390938 has 32 divisors (see below), whose sum is σ = 223520256. Its totient is φ = 35682048.

The previous prime is 109390933. The next prime is 109390943. The reversal of 109390938 is 839093901.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (109390933) and next prime (109390943).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 109390938.

It is not an unprimeable number, because it can be changed into a prime (109390933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59095 + ... + 60917.

It is an arithmetic number, because the mean of its divisors is an integer number (6985008).

Almost surely, 2^109390938 is an apocalyptic number.

109390938 is an abundant number, since it is smaller than the sum of its proper divisors (114129318).

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

109390938 is a wasteful number, since it uses less digits than its factorization.

109390938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 109390938 is about 10459.0122860622. The cubic root of 109390938 is about 478.2560237437.

The spelling of 109390938 in words is "one hundred nine million, three hundred ninety thousand, nine hundred thirty-eight".