2580870 has 16 divisors (see below), whose sum is σ = 6194160. Its totient is φ = 688224.

The previous prime is 2580859. The next prime is 2580887. The reversal of 2580870 is 780852.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 86029 = 2580870 / (2 + 5 + 8 + 0 + 8 + 7 + 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, 42985 + ... + 43044.

It is an arithmetic number, because the mean of its divisors is an integer number (387135).

2^2580870 is an apocalyptic number.

2580870 is an abundant number, since it is smaller than the sum of its proper divisors (3613290).

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

2580870 is a wasteful number, since it uses less digits than its factorization.

2580870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86039.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 2580870 is about 1606.5086367648. The cubic root of 2580870 is about 137.1688117420.

It can be divided in two parts, 25808 and 70, that added together give a triangular number (25878 = T₂₂₇).

The spelling of 2580870 in words is "two million, five hundred eighty thousand, eight hundred seventy".