39739948 has 12 divisors (see below), whose sum is σ = 73635912. Its totient is φ = 18701120.

The previous prime is 39739943. The next prime is 39739991. The reversal of 39739948 is 84993793.

It is a junction number, because it is equal to n+sod(n) for n = 39739895 and 39739904.

It is not an unprimeable number, because it can be changed into a prime (39739943) 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, 292138 + ... + 292273.

It is an arithmetic number, because the mean of its divisors is an integer number (6136326).

Almost surely, 2^39739948 is an apocalyptic number.

It is an amenable number.

39739948 is a deficient number, since it is larger than the sum of its proper divisors (33895964).

39739948 is a wasteful number, since it uses less digits than its factorization.

39739948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584432 (or 584430 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 52.

The square root of 39739948 is about 6303.9628806014. The cubic root of 39739948 is about 341.2524396146.

The spelling of 39739948 in words is "thirty-nine million, seven hundred thirty-nine thousand, nine hundred forty-eight".