109649388 has 24 divisors (see below), whose sum is σ = 270898992. Its totient is φ = 34399744.

The previous prime is 109649369. The next prime is 109649401. The reversal of 109649388 is 883946901.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268545 + ... + 268952.

It is an arithmetic number, because the mean of its divisors is an integer number (11287458).

Almost surely, 2^109649388 is an apocalyptic number.

It is an amenable number.

109649388 is an abundant number, since it is smaller than the sum of its proper divisors (161249604).

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

109649388 is a wasteful number, since it uses less digits than its factorization.

109649388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537521 (or 537519 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 109649388 is about 10471.3603700761. The cubic root of 109649388 is about 478.6323743957.

The spelling of 109649388 in words is "one hundred nine million, six hundred forty-nine thousand, three hundred eighty-eight".