2979655 has 8 divisors (see below), whose sum is σ = 4086432. Its totient is φ = 2043168.

The previous prime is 2979653. The next prime is 2979661. The reversal of 2979655 is 5569792.

It is a happy number.

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 2979655 - 2¹ = 2979653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2979653) 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, 42532 + ... + 42601.

It is an arithmetic number, because the mean of its divisors is an integer number (510804).

2^2979655 is an apocalyptic number.

2979655 is a deficient number, since it is larger than the sum of its proper divisors (1106777).

2979655 is an equidigital number, since it uses as much as digits as its factorization.

2979655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85145.

The product of its digits is 170100, while the sum is 43.

The square root of 2979655 is about 1726.1677207039. The cubic root of 2979655 is about 143.8981887079.

The spelling of 2979655 in words is "two million, nine hundred seventy-nine thousand, six hundred fifty-five".