2667956 has 6 divisors (see below), whose sum is σ = 4668930. Its totient is φ = 1333976.

The previous prime is 2667949. The next prime is 2667979. The reversal of 2667956 is 6597662.

2667956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1795600 + 872356 = 1340^2 + 934^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333491 + ... + 333498.

It is an arithmetic number, because the mean of its divisors is an integer number (778155).

2^2667956 is an apocalyptic number.

It is an amenable number.

2667956 is a deficient number, since it is larger than the sum of its proper divisors (2000974).

2667956 is a wasteful number, since it uses less digits than its factorization.

2667956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666993 (or 666991 counting only the distinct ones).

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

The square root of 2667956 is about 1633.3878902453. The cubic root of 2667956 is about 138.6946006142.

The spelling of 2667956 in words is "two million, six hundred sixty-seven thousand, nine hundred fifty-six".