2580378 has 16 divisors (see below), whose sum is σ = 5327616. Its totient is φ = 832320.

The previous prime is 2580341. The next prime is 2580401. The reversal of 2580378 is 8730852.

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, 6751 + ... + 7122.

It is an arithmetic number, because the mean of its divisors is an integer number (332976).

2^2580378 is an apocalyptic number.

2580378 is an abundant number, since it is smaller than the sum of its proper divisors (2747238).

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

2580378 is a wasteful number, since it uses less digits than its factorization.

2580378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13909.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 2580378 is about 1606.3555023718. The cubic root of 2580378 is about 137.1600948695.

The spelling of 2580378 in words is "two million, five hundred eighty thousand, three hundred seventy-eight".