3979715 has 4 divisors (see below), whose sum is σ = 4775664. Its totient is φ = 3183768.

The previous prime is 3979711. The next prime is 3979739. The reversal of 3979715 is 5179793.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3979715 - 2² = 3979711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3979711) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 397967 + ... + 397976.

It is an arithmetic number, because the mean of its divisors is an integer number (1193916).

Almost surely, 2^3979715 is an apocalyptic number.

3979715 is a deficient number, since it is larger than the sum of its proper divisors (795949).

3979715 is an equidigital number, since it uses as much as digits as its factorization.

3979715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795948.

The product of its digits is 59535, while the sum is 41.

The square root of 3979715 is about 1994.9223042515. The cubic root of 3979715 is about 158.4713133938.

The spelling of 3979715 in words is "three million, nine hundred seventy-nine thousand, seven hundred fifteen".