2556332 has 6 divisors (see below), whose sum is σ = 4473588. Its totient is φ = 1278164.

The previous prime is 2556331. The next prime is 2556373. The reversal of 2556332 is 2336552.

It is a d-powerful number, because it can be written as 2⁵ + 5⁷ + 5⁹ + 6 + 3³ + 3⁶ + 2¹⁹ .

It is not an unprimeable number, because it can be changed into a prime (2556331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 319538 + ... + 319545.

It is an arithmetic number, because the mean of its divisors is an integer number (745598).

2^2556332 is an apocalyptic number.

It is an amenable number.

2556332 is a deficient number, since it is larger than the sum of its proper divisors (1917256).

2556332 is a wasteful number, since it uses less digits than its factorization.

2556332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639087 (or 639085 counting only the distinct ones).

The product of its digits is 5400, while the sum is 26.

The square root of 2556332 is about 1598.8533391153. The cubic root of 2556332 is about 136.7327091739.

The spelling of 2556332 in words is "two million, five hundred fifty-six thousand, three hundred thirty-two".