109859984 has 40 divisors (see below), whose sum is σ = 242718840. Its totient is φ = 47720448.

The previous prime is 109859977. The next prime is 109859989. The reversal of 109859984 is 489958901.

It can be written as a sum of positive squares in 4 ways, for example, as 14992384 + 94867600 = 3872^2 + 9740^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109859989) 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, 11999 + ... + 19070.

It is an arithmetic number, because the mean of its divisors is an integer number (6067971).

Almost surely, 2^109859984 is an apocalyptic number.

It is an amenable number.

109859984 is an abundant number, since it is smaller than the sum of its proper divisors (132858856).

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

109859984 is a wasteful number, since it uses less digits than its factorization.

109859984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31107 (or 31101 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 53.

The square root of 109859984 is about 10481.4113553471. The cubic root of 109859984 is about 478.9386038001.

The spelling of 109859984 in words is "one hundred nine million, eight hundred fifty-nine thousand, nine hundred eighty-four".