2874645 has 24 divisors (see below), whose sum is σ = 5031936. Its totient is φ = 1518048.

The previous prime is 2874629. The next prime is 2874647. The reversal of 2874645 is 5464782.

2874645 is a `hidden beast` number, since 2 + 8 + 7 + 4 + 645 = 666.

It is not a de Polignac number, because 2874645 - 2⁴ = 2874629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2874647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5464 + ... + 5966.

It is an arithmetic number, because the mean of its divisors is an integer number (209664).

2^2874645 is an apocalyptic number.

It is an amenable number.

2874645 is a deficient number, since it is larger than the sum of its proper divisors (2157291).

2874645 is a wasteful number, since it uses less digits than its factorization.

2874645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 638 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 2874645 is about 1695.4778087607. The cubic root of 2874645 is about 142.1874961559.

The spelling of 2874645 in words is "two million, eight hundred seventy-four thousand, six hundred forty-five".