108939402 has 48 divisors (see below), whose sum is σ = 277306848. Its totient is φ = 30471840.

The previous prime is 108939401. The next prime is 108939427. The reversal of 108939402 is 204939801.

It is not an unprimeable number, because it can be changed into a prime (108939401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18588 + ... + 23735.

It is an arithmetic number, because the mean of its divisors is an integer number (5777226).

Almost surely, 2^108939402 is an apocalyptic number.

108939402 is an abundant number, since it is smaller than the sum of its proper divisors (168367446).

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

108939402 is a wasteful number, since it uses less digits than its factorization.

108939402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42355 (or 42352 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 108939402 is about 10437.4039875824. The cubic root of 108939402 is about 477.5970793909.

The spelling of 108939402 in words is "one hundred eight million, nine hundred thirty-nine thousand, four hundred two".