3979172 has 6 divisors (see below), whose sum is σ = 6963558. Its totient is φ = 1989584.

The previous prime is 3979163. The next prime is 3979181. The reversal of 3979172 is 2719793.

3979172 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3979163) and next prime (3979181).

It can be written as a sum of positive squares in only one way, i.e., 3976036 + 3136 = 1994^2 + 56^2 .

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 as a sum of consecutive naturals, namely, 497393 + ... + 497400.

It is an arithmetic number, because the mean of its divisors is an integer number (1160593).

Almost surely, 2^3979172 is an apocalyptic number.

It is an amenable number.

3979172 is a deficient number, since it is larger than the sum of its proper divisors (2984386).

3979172 is a wasteful number, since it uses less digits than its factorization.

3979172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994797 (or 994795 counting only the distinct ones).

The product of its digits is 23814, while the sum is 38.

The square root of 3979172 is about 1994.7862040830. The cubic root of 3979172 is about 158.4641056887.

The spelling of 3979172 in words is "three million, nine hundred seventy-nine thousand, one hundred seventy-two".