39748964 has 6 divisors (see below), whose sum is σ = 69560694. Its totient is φ = 19874480.

The previous prime is 39748963. The next prime is 39748979. The reversal of 39748964 is 46984793.

It can be written as a sum of positive squares in only one way, i.e., 25080064 + 14668900 = 5008^2 + 3830^2 .

It is not an unprimeable number, because it can be changed into a prime (39748963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4968617 + ... + 4968624.

It is an arithmetic number, because the mean of its divisors is an integer number (11593449).

Almost surely, 2^39748964 is an apocalyptic number.

It is an amenable number.

39748964 is a deficient number, since it is larger than the sum of its proper divisors (29811730).

39748964 is a wasteful number, since it uses less digits than its factorization.

39748964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9937245 (or 9937243 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The square root of 39748964 is about 6304.6779457796. The cubic root of 39748964 is about 341.2782448769.

The spelling of 39748964 in words is "thirty-nine million, seven hundred forty-eight thousand, nine hundred sixty-four".