109997400 has 48 divisors (see below), whose sum is σ = 340993800. Its totient is φ = 29332480.

The previous prime is 109997387. The next prime is 109997401. The reversal of 109997400 is 4799901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109997401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91065 + ... + 92264.

Almost surely, 2^109997400 is an apocalyptic number.

109997400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109997400 is an abundant number, since it is smaller than the sum of its proper divisors (230996400).

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

109997400 is a wasteful number, since it uses less digits than its factorization.

109997400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183348 (or 183339 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 109997400 is about 10487.9645308325. The cubic root of 109997400 is about 479.1382106185.

The spelling of 109997400 in words is "one hundred nine million, nine hundred ninety-seven thousand, four hundred".