2656923 has 8 divisors (see below), whose sum is σ = 3629136. Its totient is φ = 1728000.

The previous prime is 2656921. The next prime is 2656949. The reversal of 2656923 is 3296562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2656923 - 2¹ = 2656921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2656921) 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, 10678 + ... + 10923.

It is an arithmetic number, because the mean of its divisors is an integer number (453642).

2^2656923 is an apocalyptic number.

2656923 is a deficient number, since it is larger than the sum of its proper divisors (972213).

2656923 is a wasteful number, since it uses less digits than its factorization.

2656923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21645.

The product of its digits is 19440, while the sum is 33.

The square root of 2656923 is about 1630.0070551995. The cubic root of 2656923 is about 138.5031517136.

The spelling of 2656923 in words is "two million, six hundred fifty-six thousand, nine hundred twenty-three".