3601979 has 4 divisors (see below), whose sum is σ = 3605784. Its totient is φ = 3598176.

The previous prime is 3601967. The next prime is 3601991. The reversal of 3601979 is 9791063.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (3601967) and next prime (3601991).

It is a cyclic number.

It is not a de Polignac number, because 3601979 - 2¹² = 3597883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3601079) 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, 764 + ... + 2790.

It is an arithmetic number, because the mean of its divisors is an integer number (901446).

Almost surely, 2^3601979 is an apocalyptic number.

3601979 is a deficient number, since it is larger than the sum of its proper divisors (3805).

3601979 is a wasteful number, since it uses less digits than its factorization.

3601979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3804.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 3601979 is about 1897.8880367398. Note that the first 3 decimals coincide. The cubic root of 3601979 is about 153.2899651558.

The spelling of 3601979 in words is "three million, six hundred one thousand, nine hundred seventy-nine".