2656967 has 4 divisors (see below), whose sum is σ = 2678016. Its totient is φ = 2635920.

The previous prime is 2656961. The next prime is 2656987. The reversal of 2656967 is 7696562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2656967 - 2¹⁰ = 2655943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10334 + ... + 10587.

It is an arithmetic number, because the mean of its divisors is an integer number (669504).

2^2656967 is an apocalyptic number.

2656967 is a deficient number, since it is larger than the sum of its proper divisors (21049).

2656967 is a wasteful number, since it uses less digits than its factorization.

2656967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21048.

The product of its digits is 136080, while the sum is 41.

The square root of 2656967 is about 1630.0205520177. The cubic root of 2656967 is about 138.5039162703.

The spelling of 2656967 in words is "two million, six hundred fifty-six thousand, nine hundred sixty-seven".