2543392 has 12 divisors (see below), whose sum is σ = 5007366. Its totient is φ = 1271680.

The previous prime is 2543389. The next prime is 2543399. The reversal of 2543392 is 2933452.

It can be written as a sum of positive squares in only one way, i.e., 2178576 + 364816 = 1476^2 + 604^2 .

It is a d-powerful number, because it can be written as 2⁵ + 5⁹ + 4⁴ + 3⁸ + 3¹⁰ + 9² + 2¹⁹ .

It is a self number, because there is not a number n which added to its sum of digits gives 2543392.

It is not an unprimeable number, because it can be changed into a prime (2543399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39709 + ... + 39772.

2^2543392 is an apocalyptic number.

It is an amenable number.

2543392 is a deficient number, since it is larger than the sum of its proper divisors (2463974).

2543392 is an equidigital number, since it uses as much as digits as its factorization.

2543392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79491 (or 79483 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 2543392 is about 1594.8015550532. The cubic root of 2543392 is about 136.5016078563.

The spelling of 2543392 in words is "two million, five hundred forty-three thousand, three hundred ninety-two".