2640594 has 16 divisors (see below), whose sum is σ = 5761440. Its totient is φ = 800160.

The previous prime is 2640581. The next prime is 2640643. The reversal of 2640594 is 4950462.

It is a d-powerful number, because it can be written as 2²¹ + 6⁵ + 4 + 0 + 5³ + 9⁶ + 4⁶ .

2640594 is a modest number, since divided by 594 gives 264 as remainder.

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, 19939 + ... + 20070.

It is an arithmetic number, because the mean of its divisors is an integer number (360090).

2^2640594 is an apocalyptic number.

2640594 is an abundant number, since it is smaller than the sum of its proper divisors (3120846).

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

2640594 is a wasteful number, since it uses less digits than its factorization.

2640594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40025.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2640594 is about 1624.9904615105. The cubic root of 2640594 is about 138.2188294577.

The spelling of 2640594 in words is "two million, six hundred forty thousand, five hundred ninety-four".