39108690 has 32 divisors (see below), whose sum is σ = 104290560. Its totient is φ = 10428912.

The previous prime is 39108683. The next prime is 39108691. The reversal of 39108690 is 9680193.

It is a super-2 number, since 2×39108690² = 3058979267032200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39108691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72154 + ... + 72693.

It is an arithmetic number, because the mean of its divisors is an integer number (3259080).

Almost surely, 2^39108690 is an apocalyptic number.

39108690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

39108690 is an abundant number, since it is smaller than the sum of its proper divisors (65181870).

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

39108690 is a wasteful number, since it uses less digits than its factorization.

39108690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144863 (or 144857 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 39108690 is about 6253.6941082851. The cubic root of 39108690 is about 339.4358869420.

The spelling of 39108690 in words is "thirty-nine million, one hundred eight thousand, six hundred ninety".