2564382 has 32 divisors (see below), whose sum is σ = 5612544. Its totient is φ = 777600.

The previous prime is 2564381. The next prime is 2564407. The reversal of 2564382 is 2834652.

It is a d-powerful number, because it can be written as 2⁷ + 5⁹ + 6⁶ + 4⁴ + 3¹² + 8 + 2¹⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2757 + ... + 3567.

It is an arithmetic number, because the mean of its divisors is an integer number (175392).

2^2564382 is an apocalyptic number.

2564382 is an abundant number, since it is smaller than the sum of its proper divisors (3048162).

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

2564382 is a wasteful number, since it uses less digits than its factorization.

2564382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864.

The product of its digits is 11520, while the sum is 30.

The square root of 2564382 is about 1601.3687895048. The cubic root of 2564382 is about 136.8760845184.

The spelling of 2564382 in words is "two million, five hundred sixty-four thousand, three hundred eighty-two".