3979388 has 36 divisors (see below), whose sum is σ = 8235360. Its totient is φ = 1677312.

The previous prime is 3979363. The next prime is 3979427. The reversal of 3979388 is 8839793.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15356 + ... + 15612.

It is an arithmetic number, because the mean of its divisors is an integer number (228760).

Almost surely, 2^3979388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3979388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4117680).

3979388 is an abundant number, since it is smaller than the sum of its proper divisors (4255972).

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

3979388 is a wasteful number, since it uses less digits than its factorization.

3979388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 345 counting only the distinct ones).

The product of its digits is 326592, while the sum is 47.

The square root of 3979388 is about 1994.8403444888. The cubic root of 3979388 is about 158.4669729206.

The spelling of 3979388 in words is "three million, nine hundred seventy-nine thousand, three hundred eighty-eight".