109297864 has 32 divisors (see below), whose sum is σ = 221147640. Its totient is φ = 50342400.

The previous prime is 109297831. The next prime is 109297871. The reversal of 109297864 is 468792901.

It can be written as a sum of positive squares in 4 ways, for example, as 34128964 + 75168900 = 5842^2 + 8670^2 .

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, 78454 + ... + 79834.

Almost surely, 2^109297864 is an apocalyptic number.

It is an amenable number.

109297864 is an abundant number, since it is smaller than the sum of its proper divisors (111849776).

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

109297864 is a wasteful number, since it uses less digits than its factorization.

109297864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161 (or 2157 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 109297864 is about 10454.5618750859. The cubic root of 109297864 is about 478.1203457419.

The spelling of 109297864 in words is "one hundred nine million, two hundred ninety-seven thousand, eight hundred sixty-four".