3931960 has 16 divisors (see below), whose sum is σ = 8847000. Its totient is φ = 1572768.

The previous prime is 3931943. The next prime is 3931969. The reversal of 3931960 is 691393.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3931969) 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, 49110 + ... + 49189.

Almost surely, 2^3931960 is an apocalyptic number.

It is an amenable number.

3931960 is an abundant number, since it is smaller than the sum of its proper divisors (4915040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3931960 is a wasteful number, since it uses less digits than its factorization.

3931960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98310 (or 98306 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 3931960 is about 1982.9170431463. The cubic root of 3931960 is about 157.8348967004.

The spelling of 3931960 in words is "three million, nine hundred thirty-one thousand, nine hundred sixty".