3657979 has 8 divisors (see below), whose sum is σ = 4036032. Its totient is φ = 3293760.

The previous prime is 3657977. The next prime is 3658001. The reversal of 3657979 is 9797563.

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 3657979 - 2¹ = 3657977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3657977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2899 + ... + 3964.

It is an arithmetic number, because the mean of its divisors is an integer number (504504).

Almost surely, 2^3657979 is an apocalyptic number.

3657979 is a deficient number, since it is larger than the sum of its proper divisors (378053).

3657979 is a wasteful number, since it uses less digits than its factorization.

3657979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6917.

The product of its digits is 357210, while the sum is 46.

The square root of 3657979 is about 1912.5843772237. The cubic root of 3657979 is about 154.0802836577.

The spelling of 3657979 in words is "three million, six hundred fifty-seven thousand, nine hundred seventy-nine".