3970879 has 4 divisors (see below), whose sum is σ = 4331880. Its totient is φ = 3609880.

The previous prime is 3970859. The next prime is 3970903. The reversal of 3970879 is 9780793.

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 3970879 - 2⁷ = 3970751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3970819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180484 + ... + 180505.

It is an arithmetic number, because the mean of its divisors is an integer number (1082970).

Almost surely, 2^3970879 is an apocalyptic number.

3970879 is a deficient number, since it is larger than the sum of its proper divisors (361001).

3970879 is a wasteful number, since it uses less digits than its factorization.

3970879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361000.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 3970879 is about 1992.7064510359. The cubic root of 3970879 is about 158.3539440082.

The spelling of 3970879 in words is "three million, nine hundred seventy thousand, eight hundred seventy-nine".