2636694 has 36 divisors (see below), whose sum is σ = 5926284. Its totient is φ = 847152.

The previous prime is 2636677. The next prime is 2636701. The reversal of 2636694 is 4966362.

2636694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2²¹ + 6² + 3¹² + 6³ + 6⁵ + 9 + 4³ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24589 + ... + 24695.

It is an arithmetic number, because the mean of its divisors is an integer number (164619).

2^2636694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2636694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2963142).

2636694 is an abundant number, since it is smaller than the sum of its proper divisors (3289590).

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

2636694 is a wasteful number, since it uses less digits than its factorization.

2636694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 149 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 2636694 is about 1623.7900110544. The cubic root of 2636694 is about 138.1507489380.

The spelling of 2636694 in words is "two million, six hundred thirty-six thousand, six hundred ninety-four".