3979927 has 6 divisors (see below), whose sum is σ = 4629768. Its totient is φ = 3411324.

The previous prime is 3979901. The next prime is 3979957. The reversal of 3979927 is 7299793.

It is a de Polignac number, because none of the positive numbers 2^k-3979927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3979957) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40563 + ... + 40660.

It is an arithmetic number, because the mean of its divisors is an integer number (771628).

Almost surely, 2^3979927 is an apocalyptic number.

3979927 is a deficient number, since it is larger than the sum of its proper divisors (649841).

3979927 is an equidigital number, since it uses as much as digits as its factorization.

3979927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81237 (or 81230 counting only the distinct ones).

The product of its digits is 214326, while the sum is 46.

The square root of 3979927 is about 1994.9754384453. The cubic root of 3979927 is about 158.4741272739.

The spelling of 3979927 in words is "three million, nine hundred seventy-nine thousand, nine hundred twenty-seven".