2756845 has 32 divisors (see below), whose sum is σ = 4177152. Its totient is φ = 1700352.

The previous prime is 2756821. The next prime is 2756869. The reversal of 2756845 is 5486572.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2756821) and next prime (2756869).

It is a cyclic number.

It is not a de Polignac number, because 2756845 - 2²¹ = 659693 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33174 + ... + 33256.

It is an arithmetic number, because the mean of its divisors is an integer number (130536).

2^2756845 is an apocalyptic number.

It is an amenable number.

2756845 is a deficient number, since it is larger than the sum of its proper divisors (1420307).

2756845 is a wasteful number, since it uses less digits than its factorization.

2756845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181.

The product of its digits is 67200, while the sum is 37.

The square root of 2756845 is about 1660.3749576526. The cubic root of 2756845 is about 140.2181123972.

The spelling of 2756845 in words is "two million, seven hundred fifty-six thousand, eight hundred forty-five".