2657344 has 14 divisors (see below), whose sum is σ = 5273294. Its totient is φ = 1328640.

The previous prime is 2657341. The next prime is 2657353. The reversal of 2657344 is 4437562.

It can be written as a sum of positive squares in only one way, i.e., 2560000 + 97344 = 1600^2 + 312^2 .

It is a super-2 number, since 2×2657344² = 14122954268672, which contains 22 as substring.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (2657341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20697 + ... + 20824.

2^2657344 is an apocalyptic number.

It is an amenable number.

2657344 is a deficient number, since it is larger than the sum of its proper divisors (2615950).

2657344 is an equidigital number, since it uses as much as digits as its factorization.

2657344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41533 (or 41523 counting only the distinct ones).

The product of its digits is 20160, while the sum is 31.

The square root of 2657344 is about 1630.1361906295. The cubic root of 2657344 is about 138.5104667853.

The spelling of 2657344 in words is "two million, six hundred fifty-seven thousand, three hundred forty-four".