2562940 has 12 divisors (see below), whose sum is σ = 5382216. Its totient is φ = 1025168.

The previous prime is 2562907. The next prime is 2562941. The reversal of 2562940 is 492652.

It is a super-2 number, since 2×2562940² = 13137322887200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2562899 and 2562908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2562941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64054 + ... + 64093.

It is an arithmetic number, because the mean of its divisors is an integer number (448518).

2^2562940 is an apocalyptic number.

2562940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2562940 is an abundant number, since it is smaller than the sum of its proper divisors (2819276).

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

2562940 is a wasteful number, since it uses less digits than its factorization.

2562940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128156 (or 128154 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2562940 is about 1600.9184863696. The cubic root of 2562940 is about 136.8504237132.

The spelling of 2562940 in words is "two million, five hundred sixty-two thousand, nine hundred forty".