39090100 has 36 divisors (see below), whose sum is σ = 96945184. Its totient is φ = 13402080.

The previous prime is 39090083. The next prime is 39090137. The reversal of 39090100 is 109093.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27222 + ... + 28621.

Almost surely, 2^39090100 is an apocalyptic number.

It is an amenable number.

39090100 is an abundant number, since it is smaller than the sum of its proper divisors (57855084).

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

39090100 is a wasteful number, since it uses less digits than its factorization.

39090100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55864 (or 55857 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 22.

The square root of 39090100 is about 6252.2076101166. The cubic root of 39090100 is about 339.3820957154.

Adding to 39090100 its reverse (109093), we get a palindrome (39199193).

The spelling of 39090100 in words is "thirty-nine million, ninety thousand, one hundred".