3431979 has 12 divisors (see below), whose sum is σ = 5117632. Its totient is φ = 2214000.

The previous prime is 3431963. The next prime is 3431993. The reversal of 3431979 is 9791343.

It is not a de Polignac number, because 3431979 - 2⁴ = 3431963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3431999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5872 + ... + 6429.

Almost surely, 2^3431979 is an apocalyptic number.

3431979 is a deficient number, since it is larger than the sum of its proper divisors (1685653).

3431979 is a wasteful number, since it uses less digits than its factorization.

3431979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12338 (or 12335 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 3431979 is about 1852.5601204819. The cubic root of 3431979 is about 150.8394269861.

It can be divided in two parts, 343197 and 9, that added together give a triangular number (343206 = T₈₂₈).

The spelling of 3431979 in words is "three million, four hundred thirty-one thousand, nine hundred seventy-nine".