3690979 has 4 divisors (see below), whose sum is σ = 3696784. Its totient is φ = 3685176.

The previous prime is 3690977. The next prime is 3690983. The reversal of 3690979 is 9790963.

3690979 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 a cyclic number.

It is not a de Polignac number, because 3690979 - 2¹ = 3690977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3690977) 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, 1812 + ... + 3265.

It is an arithmetic number, because the mean of its divisors is an integer number (924196).

Almost surely, 2^3690979 is an apocalyptic number.

3690979 is a deficient number, since it is larger than the sum of its proper divisors (5805).

3690979 is an equidigital number, since it uses as much as digits as its factorization.

3690979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5804.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 3690979 is about 1921.1920778517. The cubic root of 3690979 is about 154.5422359506.

The spelling of 3690979 in words is "three million, six hundred ninety thousand, nine hundred seventy-nine".