2546780 has 24 divisors (see below), whose sum is σ = 5533920. Its totient is φ = 983360.

The previous prime is 2546777. The next prime is 2546837. The reversal of 2546780 is 876452.

It is a d-powerful number, because it can be written as 2²⁰ + 5⁸ + 4 + 6⁷ + 7⁷ + 8⁴ + 0 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1616 + ... + 2775.

It is an arithmetic number, because the mean of its divisors is an integer number (230580).

2^2546780 is an apocalyptic number.

2546780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2546780 is an abundant number, since it is smaller than the sum of its proper divisors (2987140).

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

2546780 is a wasteful number, since it uses less digits than its factorization.

2546780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4429 (or 4427 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2546780 is about 1595.8634026758. The cubic root of 2546780 is about 136.5621912886.

The spelling of 2546780 in words is "two million, five hundred forty-six thousand, seven hundred eighty".