2656916 has 12 divisors (see below), whose sum is σ = 4726260. Its totient is φ = 1306560.

The previous prime is 2656909. The next prime is 2656919. The reversal of 2656916 is 6196562.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 84100 + 2572816 = 290^2 + 1604^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656919) 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, 5201 + ... + 5688.

It is an arithmetic number, because the mean of its divisors is an integer number (393855).

2^2656916 is an apocalyptic number.

It is an amenable number.

2656916 is a deficient number, since it is larger than the sum of its proper divisors (2069344).

2656916 is a wasteful number, since it uses less digits than its factorization.

2656916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10954 (or 10952 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The square root of 2656916 is about 1630.0049079681. The cubic root of 2656916 is about 138.5030300788.

It can be divided in two parts, 26569 and 16, that multiplied together give a square (425104 = 652²).

The spelling of 2656916 in words is "two million, six hundred fifty-six thousand, nine hundred sixteen".