2653456 has 20 divisors (see below), whose sum is σ = 5536972. Its totient is φ = 1224576.

The previous prime is 2653433. The next prime is 2653459. The reversal of 2653456 is 6543562.

It can be written as a sum of positive squares in 2 ways, for example, as 921600 + 1731856 = 960^2 + 1316^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2653459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6171 + ... + 6586.

2^2653456 is an apocalyptic number.

2653456 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2653456 is an abundant number, since it is smaller than the sum of its proper divisors (2883516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2653456 is a wasteful number, since it uses less digits than its factorization.

2653456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12778 (or 12772 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 2653456 is about 1628.9432157077. The cubic root of 2653456 is about 138.4428815634.

It can be divided in two parts, 265 and 3456, that added together give a square (3721 = 61²).

The spelling of 2653456 in words is "two million, six hundred fifty-three thousand, four hundred fifty-six".