2756890 has 16 divisors (see below), whose sum is σ = 5254632. Its totient is φ = 1037824.

The previous prime is 2756869. The next prime is 2756903. The reversal of 2756890 is 986572.

It can be written as a sum of positive squares in 4 ways, for example, as 2692881 + 64009 = 1641^2 + 253^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7939 + ... + 8278.

2^2756890 is an apocalyptic number.

2756890 is a deficient number, since it is larger than the sum of its proper divisors (2497742).

2756890 is a wasteful number, since it uses less digits than its factorization.

2756890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16241.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 2756890 is about 1660.3885087533. The cubic root of 2756890 is about 140.2188753201.

The spelling of 2756890 in words is "two million, seven hundred fifty-six thousand, eight hundred ninety".