2634939 has 18 divisors (see below), whose sum is σ = 4021836. Its totient is φ = 1662120.

The previous prime is 2634923. The next prime is 2634941. The reversal of 2634939 is 9394362.

It is a happy number.

2634939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2634939 - 2⁴ = 2634923 is a prime.

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 not an unprimeable number, because it can be changed into a prime (2634139) by changing a digit.

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, 2844 + ... + 3654.

2^2634939 is an apocalyptic number.

2634939 is a deficient number, since it is larger than the sum of its proper divisors (1386897).

2634939 is a wasteful number, since it uses less digits than its factorization.

2634939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855 (or 833 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 2634939 is about 1623.2495187124. The cubic root of 2634939 is about 138.1200908010.

The spelling of 2634939 in words is "two million, six hundred thirty-four thousand, nine hundred thirty-nine".