2537684 has 6 divisors (see below), whose sum is σ = 4440954. Its totient is φ = 1268840.

The previous prime is 2537681. The next prime is 2537701. The reversal of 2537684 is 4867352.

It is a happy number.

2537684 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., 2016400 + 521284 = 1420^2 + 722^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2537681) by changing a digit.

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, 317207 + ... + 317214.

It is an arithmetic number, because the mean of its divisors is an integer number (740159).

2^2537684 is an apocalyptic number.

It is an amenable number.

2537684 is a deficient number, since it is larger than the sum of its proper divisors (1903270).

2537684 is a wasteful number, since it uses less digits than its factorization.

2537684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634425 (or 634423 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 2537684 is about 1593.0109855240. The cubic root of 2537684 is about 136.3994169272.

Subtracting from 2537684 its sum of digits (35), we obtain a square (2537649 = 1593²).

The spelling of 2537684 in words is "two million, five hundred thirty-seven thousand, six hundred eighty-four".