109557492 has 48 divisors (see below), whose sum is σ = 279539904. Its totient is φ = 33120000.

The previous prime is 109557491. The next prime is 109557499. The reversal of 109557492 is 294755901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109557491) 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, 78642 + ... + 80022.

It is an arithmetic number, because the mean of its divisors is an integer number (5823748).

Almost surely, 2^109557492 is an apocalyptic number.

109557492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109557492 is an abundant number, since it is smaller than the sum of its proper divisors (169982412).

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

109557492 is a wasteful number, since it uses less digits than its factorization.

109557492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000 (or 1998 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 42.

The square root of 109557492 is about 10466.9714817611. The cubic root of 109557492 is about 478.4986247693.

The spelling of 109557492 in words is "one hundred nine million, five hundred fifty-seven thousand, four hundred ninety-two".