39102928 has 10 divisors (see below), whose sum is σ = 75761954. Its totient is φ = 19551456.

The previous prime is 39102913. The next prime is 39102977. The reversal of 39102928 is 82920193.

It can be written as a sum of positive squares in only one way, i.e., 37063744 + 2039184 = 6088^2 + 1428^2 .

It is a junction number, because it is equal to n+sod(n) for n = 39102893 and 39102902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1221951 + ... + 1221982.

Almost surely, 2^39102928 is an apocalyptic number.

It is an amenable number.

39102928 is a deficient number, since it is larger than the sum of its proper divisors (36659026).

39102928 is a wasteful number, since it uses less digits than its factorization.

39102928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443941 (or 2443935 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 39102928 is about 6253.2334036081. The cubic root of 39102928 is about 339.4192160893.

The spelling of 39102928 in words is "thirty-nine million, one hundred two thousand, nine hundred twenty-eight".