3931948 has 12 divisors (see below), whose sum is σ = 6942600. Its totient is φ = 1948352.

The previous prime is 3931943. The next prime is 3931969. The reversal of 3931948 is 8491393.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3931943) 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, 3898 + ... + 4801.

It is an arithmetic number, because the mean of its divisors is an integer number (578550).

Almost surely, 2^3931948 is an apocalyptic number.

It is an amenable number.

3931948 is a deficient number, since it is larger than the sum of its proper divisors (3010652).

3931948 is a wasteful number, since it uses less digits than its factorization.

3931948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8816 (or 8814 counting only the distinct ones).

The product of its digits is 23328, while the sum is 37.

The square root of 3931948 is about 1982.9140172988. The cubic root of 3931948 is about 157.8347361341.

The spelling of 3931948 in words is "three million, nine hundred thirty-one thousand, nine hundred forty-eight".