107988840 has 48 divisors (see below), whose sum is σ = 350964900. Its totient is φ = 28796928.

The previous prime is 107988823. The next prime is 107988847. The reversal of 107988840 is 48889701.

It can be written as a sum of positive squares in 2 ways, for example, as 107371044 + 617796 = 10362^2 + 786^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (107988847) 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, 149625 + ... + 150344.

Almost surely, 2^107988840 is an apocalyptic number.

107988840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

107988840 is an abundant number, since it is smaller than the sum of its proper divisors (242976060).

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

107988840 is a wasteful number, since it uses less digits than its factorization.

107988840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299986 (or 299979 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 107988840 is about 10391.7678957914. The cubic root of 107988840 is about 476.2039118812.

The spelling of 107988840 in words is "one hundred seven million, nine hundred eighty-eight thousand, eight hundred forty".