2979705 has 8 divisors (see below), whose sum is σ = 4767552. Its totient is φ = 1589168.

The previous prime is 2979701. The next prime is 2979731. The reversal of 2979705 is 5079792.

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 2979705 - 2² = 2979701 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2979701) 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, 99309 + ... + 99338.

It is an arithmetic number, because the mean of its divisors is an integer number (595944).

2^2979705 is an apocalyptic number.

It is an amenable number.

2979705 is a deficient number, since it is larger than the sum of its proper divisors (1787847).

2979705 is a wasteful number, since it uses less digits than its factorization.

2979705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198655.

The product of its (nonzero) digits is 39690, while the sum is 39.

The square root of 2979705 is about 1726.1822035927. The cubic root of 2979705 is about 143.8989935963.

The spelling of 2979705 in words is "two million, nine hundred seventy-nine thousand, seven hundred five".