2947679 has 16 divisors (see below), whose sum is σ = 3648000. Its totient is φ = 2325024.

The previous prime is 2947673. The next prime is 2947691. The reversal of 2947679 is 9767492.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2947679 is a prime.

It is a super-2 number, since 2×2947679² = 17377622974082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2947673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4622 + ... + 5220.

It is an arithmetic number, because the mean of its divisors is an integer number (228000).

2^2947679 is an apocalyptic number.

2947679 is a deficient number, since it is larger than the sum of its proper divisors (700321).

2947679 is a wasteful number, since it uses less digits than its factorization.

2947679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662.

The product of its digits is 190512, while the sum is 44.

The square root of 2947679 is about 1716.8806015562. The cubic root of 2947679 is about 143.3815912261.

The spelling of 2947679 in words is "two million, nine hundred forty-seven thousand, six hundred seventy-nine".