109990788 has 48 divisors (see below), whose sum is σ = 265165824. Its totient is φ = 35458560.

The previous prime is 109990787. The next prime is 109990789. The reversal of 109990788 is 887099901.

It is an interprime number because it is at equal distance from previous prime (109990787) and next prime (109990789).

It is a self number, because there is not a number n which added to its sum of digits gives 109990788.

It is not an unprimeable number, because it can be changed into a prime (109990781) 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, 84156 + ... + 85452.

It is an arithmetic number, because the mean of its divisors is an integer number (5524288).

Almost surely, 2^109990788 is an apocalyptic number.

It is an amenable number.

109990788 is an abundant number, since it is smaller than the sum of its proper divisors (155175036).

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

109990788 is a wasteful number, since it uses less digits than its factorization.

109990788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532 (or 1530 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 51.

The square root of 109990788 is about 10487.6493076380. The cubic root of 109990788 is about 479.1286100118.

The spelling of 109990788 in words is "one hundred nine million, nine hundred ninety thousand, seven hundred eighty-eight".