2544870 has 32 divisors (see below), whose sum is σ = 6259680. Its totient is φ = 661760.

The previous prime is 2544851. The next prime is 2544887. The reversal of 2544870 is 784452.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196 + ... + 2264.

It is an arithmetic number, because the mean of its divisors is an integer number (195615).

2^2544870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2544870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3129840).

2544870 is an abundant number, since it is smaller than the sum of its proper divisors (3714810).

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

2544870 is a wasteful number, since it uses less digits than its factorization.

2544870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 2544870 is about 1595.2648682899. The cubic root of 2544870 is about 136.5280437222.

The spelling of 2544870 in words is "two million, five hundred forty-four thousand, eight hundred seventy".