109233990 has 48 divisors (see below), whose sum is σ = 291693168. Its totient is φ = 28340928.

The previous prime is 109233979. The next prime is 109233991. The reversal of 109233990 is 99332901.

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 not an unprimeable number, because it can be changed into a prime (109233991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13072 + ... + 19731.

It is an arithmetic number, because the mean of its divisors is an integer number (6076941).

Almost surely, 2^109233990 is an apocalyptic number.

109233990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109233990 is an abundant number, since it is smaller than the sum of its proper divisors (182459178).

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

109233990 is a wasteful number, since it uses less digits than its factorization.

109233990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32853 (or 32850 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 36.

The square root of 109233990 is about 10451.5065899611. The cubic root of 109233990 is about 478.0271892706.

The spelling of 109233990 in words is "one hundred nine million, two hundred thirty-three thousand, nine hundred ninety".