109487872 has 72 divisors (see below), whose sum is σ = 237970656. Its totient is φ = 49975296.

The previous prime is 109487839. The next prime is 109487879. The reversal of 109487872 is 278784901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109487879) 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, 555678 + ... + 555874.

It is an arithmetic number, because the mean of its divisors is an integer number (3305148).

Almost surely, 2^109487872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109487872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118985328).

109487872 is an abundant number, since it is smaller than the sum of its proper divisors (128482784).

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

109487872 is a wasteful number, since it uses less digits than its factorization.

109487872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 109487872 is about 10463.6452539256. The cubic root of 109487872 is about 478.3972468457.

The spelling of 109487872 in words is "one hundred nine million, four hundred eighty-seven thousand, eight hundred seventy-two".