2552840 has 32 divisors (see below), whose sum is σ = 6048000. Its totient is φ = 967104.

The previous prime is 2552833. The next prime is 2552843. The reversal of 2552840 is 482552.

It is not an unprimeable number, because it can be changed into a prime (2552843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 920 + ... + 2439.

It is an arithmetic number, because the mean of its divisors is an integer number (189000).

2^2552840 is an apocalyptic number.

2552840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2552840 is an abundant number, since it is smaller than the sum of its proper divisors (3495160).

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

2552840 is a wasteful number, since it uses less digits than its factorization.

2552840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389 (or 3385 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2552840 is about 1597.7609333064. The cubic root of 2552840 is about 136.6704209425.

The spelling of 2552840 in words is "two million, five hundred fifty-two thousand, eight hundred forty".