108299940 has 48 divisors (see below), whose sum is σ = 346561152. Its totient is φ = 24754176.

The previous prime is 108299909. The next prime is 108299951. The reversal of 108299940 is 49992801.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 108299892 and 108299901.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128509 + ... + 129348.

It is an arithmetic number, because the mean of its divisors is an integer number (7220024).

Almost surely, 2^108299940 is an apocalyptic number.

108299940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108299940 is an abundant number, since it is smaller than the sum of its proper divisors (238261212).

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

108299940 is a wasteful number, since it uses less digits than its factorization.

108299940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257876 (or 257874 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 108299940 is about 10406.7257098475. The cubic root of 108299940 is about 476.6607646478.

The spelling of 108299940 in words is "one hundred eight million, two hundred ninety-nine thousand, nine hundred forty".