39995948 has 12 divisors (see below), whose sum is σ = 70047600. Its totient is φ = 19982352.

The previous prime is 39995947. The next prime is 39995953. The reversal of 39995948 is 84959993.

It is a junction number, because it is equal to n+sod(n) for n = 39995893 and 39995902.

It is not an unprimeable number, because it can be changed into a prime (39995941) 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, 3353 + ... + 9551.

It is an arithmetic number, because the mean of its divisors is an integer number (5837300).

Almost surely, 2^39995948 is an apocalyptic number.

It is an amenable number.

39995948 is a deficient number, since it is larger than the sum of its proper divisors (30051652).

39995948 is a wasteful number, since it uses less digits than its factorization.

39995948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7816 (or 7814 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 56.

The square root of 39995948 is about 6324.2349734968. The cubic root of 39995948 is about 341.9836409078.

The spelling of 39995948 in words is "thirty-nine million, nine hundred ninety-five thousand, nine hundred forty-eight".