2552940 has 72 divisors (see below), whose sum is σ = 8347248. Its totient is φ = 627840.

The previous prime is 2552939. The next prime is 2552951. The reversal of 2552940 is 492552.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1795 + ... + 2885.

It is an arithmetic number, because the mean of its divisors is an integer number (115934).

2^2552940 is an apocalyptic number.

2552940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2552940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4173624).

2552940 is an abundant number, since it is smaller than the sum of its proper divisors (5794308).

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

2552940 is a wasteful number, since it uses less digits than its factorization.

2552940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119 (or 1114 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2552940 is about 1597.7922267930. The cubic root of 2552940 is about 136.6722054732.

It can be divided in two parts, 255 and 2940, that multiplied together give a triangular number (749700 = T₁₂₂₄).

The spelling of 2552940 in words is "two million, five hundred fifty-two thousand, nine hundred forty".