3646979 has 8 divisors (see below), whose sum is σ = 4280928. Its totient is φ = 3041280.

The previous prime is 3646963. The next prime is 3646997. The reversal of 3646979 is 9796463.

3646979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3646979 - 2⁴ = 3646963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3646919) 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 7 ways as a sum of consecutive naturals, for example, 6782 + ... + 7299.

It is an arithmetic number, because the mean of its divisors is an integer number (535116).

Almost surely, 2^3646979 is an apocalyptic number.

3646979 is a deficient number, since it is larger than the sum of its proper divisors (633949).

3646979 is a wasteful number, since it uses less digits than its factorization.

3646979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14125.

The product of its digits is 244944, while the sum is 44.

The square root of 3646979 is about 1909.7065219557. The cubic root of 3646979 is about 153.9256823626.

The spelling of 3646979 in words is "three million, six hundred forty-six thousand, nine hundred seventy-nine".