109290408 has 32 divisors (see below), whose sum is σ = 273514560. Its totient is φ = 36391680.

The previous prime is 109290403. The next prime is 109290409. The reversal of 109290408 is 804092901.

It is not an unprimeable number, because it can be changed into a prime (109290403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29373 + ... + 32883.

It is an arithmetic number, because the mean of its divisors is an integer number (8547330).

Almost surely, 2^109290408 is an apocalyptic number.

It is an amenable number.

109290408 is an abundant number, since it is smaller than the sum of its proper divisors (164224152).

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

109290408 is a wasteful number, since it uses less digits than its factorization.

109290408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4817 (or 4813 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 109290408 is about 10454.2052782600. The cubic root of 109290408 is about 478.1094734759.

The spelling of 109290408 in words is "one hundred nine million, two hundred ninety thousand, four hundred eight".