39090304 has 32 divisors (see below), whose sum is σ = 84957840. Its totient is φ = 17767680.

The previous prime is 39090253. The next prime is 39090307. The reversal of 39090304 is 40309093.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (39090307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12474 + ... + 15289.

Almost surely, 2^39090304 is an apocalyptic number.

It is an amenable number.

39090304 is an abundant number, since it is smaller than the sum of its proper divisors (45867536).

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

39090304 is a wasteful number, since it uses less digits than its factorization.

39090304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27788 (or 27776 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 39090304 is about 6252.2239243328. The cubic root of 39090304 is about 339.3826860936.

Adding to 39090304 its reverse (40309093), we get a palindrome (79399397).

The spelling of 39090304 in words is "thirty-nine million, ninety thousand, three hundred four".