3979873 has 16 divisors (see below), whose sum is σ = 4492800. Its totient is φ = 3507840.

The previous prime is 3979861. The next prime is 3979883. The reversal of 3979873 is 3789793.

It is not a de Polignac number, because 3979873 - 2⁹ = 3979361 is a prime.

It is a super-2 number, since 2×3979873² = 31678778192258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3979883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16965 + ... + 17197.

It is an arithmetic number, because the mean of its divisors is an integer number (280800).

Almost surely, 2^3979873 is an apocalyptic number.

It is an amenable number.

3979873 is a deficient number, since it is larger than the sum of its proper divisors (512927).

3979873 is a wasteful number, since it uses less digits than its factorization.

3979873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312.

The product of its digits is 285768, while the sum is 46.

The square root of 3979873 is about 1994.9619043982. The cubic root of 3979873 is about 158.4734105403.

The spelling of 3979873 in words is "three million, nine hundred seventy-nine thousand, eight hundred seventy-three".