3979144 has 16 divisors (see below), whose sum is σ = 8035020. Its totient is φ = 1836480.

The previous prime is 3979141. The next prime is 3979147. The reversal of 3979144 is 4419793.

It is an interprime number because it is at equal distance from previous prime (3979141) and next prime (3979147).

It can be written as a sum of positive squares in 2 ways, for example, as 3960100 + 19044 = 1990^2 + 138^2 .

It is not an unprimeable number, because it can be changed into a prime (3979141) 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, 19027 + ... + 19234.

Almost surely, 2^3979144 is an apocalyptic number.

It is an amenable number.

3979144 is an abundant number, since it is smaller than the sum of its proper divisors (4055876).

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

3979144 is a wasteful number, since it uses less digits than its factorization.

3979144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38280 (or 38276 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 3979144 is about 1994.7791857747. The cubic root of 3979144 is about 158.4637340029.

The spelling of 3979144 in words is "three million, nine hundred seventy-nine thousand, one hundred forty-four".