2636394 has 16 divisors (see below), whose sum is σ = 5583168. Its totient is φ = 827072.

The previous prime is 2636369. The next prime is 2636401. The reversal of 2636394 is 4936362.

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, 12822 + ... + 13025.

It is an arithmetic number, because the mean of its divisors is an integer number (348948).

2^2636394 is an apocalyptic number.

2636394 is an abundant number, since it is smaller than the sum of its proper divisors (2946774).

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

2636394 is a wasteful number, since it uses less digits than its factorization.

2636394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25869.

The product of its digits is 23328, while the sum is 33.

The square root of 2636394 is about 1623.6976319500. The cubic root of 2636394 is about 138.1455091950.

Subtracting 2636394 from its reverse (4936362), we obtain a cube (2299968 = 132³).

The spelling of 2636394 in words is "two million, six hundred thirty-six thousand, three hundred ninety-four".