109399590 has 48 divisors (see below), whose sum is σ = 301174848. Its totient is φ = 27456768.

The previous prime is 109399583. The next prime is 109399613. The reversal of 109399590 is 95993901.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34222 + ... + 37281.

It is an arithmetic number, because the mean of its divisors is an integer number (6274476).

Almost surely, 2^109399590 is an apocalyptic number.

109399590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109399590 is an abundant number, since it is smaller than the sum of its proper divisors (191775258).

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

109399590 is a wasteful number, since it uses less digits than its factorization.

109399590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71533 (or 71530 counting only the distinct ones).

The product of its (nonzero) digits is 98415, while the sum is 45.

The square root of 109399590 is about 10459.4258924666. The cubic root of 109399590 is about 478.2686322288.

The spelling of 109399590 in words is "one hundred nine million, three hundred ninety-nine thousand, five hundred ninety".