2568940 has 24 divisors (see below), whose sum is σ = 5885712. Its totient is φ = 934080.

The previous prime is 2568931. The next prime is 2568941. The reversal of 2568940 is 498652.

2568940 = T₂₉ + T₃₀ + ... + T₂₄₈.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2568896 and 2568905.

It is not an unprimeable number, because it can be changed into a prime (2568941) 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, 5619 + ... + 6058.

It is an arithmetic number, because the mean of its divisors is an integer number (245238).

2^2568940 is an apocalyptic number.

2568940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2568940 is an abundant number, since it is smaller than the sum of its proper divisors (3316772).

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

2568940 is a wasteful number, since it uses less digits than its factorization.

2568940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11697 (or 11695 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 2568940 is about 1602.7913151749. The cubic root of 2568940 is about 136.9571322359.

The spelling of 2568940 in words is "two million, five hundred sixty-eight thousand, nine hundred forty".