39320768 has 14 divisors (see below), whose sum is σ = 78027276. Its totient is φ = 19660352.

The previous prime is 39320767. The next prime is 39320789. The reversal of 39320768 is 86702393.

It is a super-2 number, since 2×39320768² = 3092245592219648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39320767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307130 + ... + 307257.

Almost surely, 2^39320768 is an apocalyptic number.

It is an amenable number.

39320768 is a deficient number, since it is larger than the sum of its proper divisors (38706508).

39320768 is an equidigital number, since it uses as much as digits as its factorization.

39320768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614399 (or 614389 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 39320768 is about 6270.6274008268. The cubic root of 39320768 is about 340.0483437602.

The spelling of 39320768 in words is "thirty-nine million, three hundred twenty thousand, seven hundred sixty-eight".