2874637 has 4 divisors (see below), whose sum is σ = 2887420. Its totient is φ = 2861856.

The previous prime is 2874629. The next prime is 2874647. The reversal of 2874637 is 7364782.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2802276 + 72361 = 1674^2 + 269^2 .

It is a cyclic number.

It is not a de Polignac number, because 2874637 - 2³ = 2874629 is a prime.

It is a Duffinian number.

2874637 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2874596 and 2874605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2874617) 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 3 ways as a sum of consecutive naturals, for example, 6048 + ... + 6505.

It is an arithmetic number, because the mean of its divisors is an integer number (721855).

2^2874637 is an apocalyptic number.

It is an amenable number.

2874637 is a deficient number, since it is larger than the sum of its proper divisors (12783).

2874637 is a wasteful number, since it uses less digits than its factorization.

2874637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12782.

The product of its digits is 56448, while the sum is 37.

The square root of 2874637 is about 1695.4754495421. The cubic root of 2874637 is about 142.1873642554.

The spelling of 2874637 in words is "two million, eight hundred seventy-four thousand, six hundred thirty-seven".