3940979 has 4 divisors (see below), whose sum is σ = 4503984. Its totient is φ = 3377976.

The previous prime is 3940969. The next prime is 3940987. The reversal of 3940979 is 9790493.

3940979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3940979 - 2¹² = 3936883 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3940939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281492 + ... + 281505.

It is an arithmetic number, because the mean of its divisors is an integer number (1125996).

Almost surely, 2^3940979 is an apocalyptic number.

3940979 is a deficient number, since it is larger than the sum of its proper divisors (563005).

3940979 is an equidigital number, since it uses as much as digits as its factorization.

3940979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563004.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 3940979 is about 1985.1899153482. The cubic root of 3940979 is about 157.9554833727.

The spelling of 3940979 in words is "three million, nine hundred forty thousand, nine hundred seventy-nine".