2634439 has 8 divisors (see below), whose sum is σ = 2803680. Its totient is φ = 2466816.

The previous prime is 2634433. The next prime is 2634449. The reversal of 2634439 is 9344362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2634439 - 2¹¹ = 2632391 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 6² + 3⁶ + 4⁴ + 4⁶ + 3¹² + 9³ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2634439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2634433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5782 + ... + 6220.

It is an arithmetic number, because the mean of its divisors is an integer number (350460).

2^2634439 is an apocalyptic number.

2634439 is a deficient number, since it is larger than the sum of its proper divisors (169241).

2634439 is a wasteful number, since it uses less digits than its factorization.

2634439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809.

The product of its digits is 15552, while the sum is 31.

The square root of 2634439 is about 1623.0954993468. The cubic root of 2634439 is about 138.1113537975. Note that the first 3 decimals are identical.

The spelling of 2634439 in words is "two million, six hundred thirty-four thousand, four hundred thirty-nine".