2634789 has 16 divisors (see below), whose sum is σ = 3644352. Its totient is φ = 1692288.

The previous prime is 2634781. The next prime is 2634791. The reversal of 2634789 is 9874362.

It is not a de Polignac number, because 2634789 - 2³ = 2634781 is a prime.

It is a super-3 number, since 3×2634789³ = 54873009496512333207, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a d-powerful number, because it can be written as 2¹¹ + 6² + 3¹² + 4⁶ + 7 + 8⁷ + 9 .

2634789 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2634781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11494 + ... + 11720.

It is an arithmetic number, because the mean of its divisors is an integer number (227772).

2^2634789 is an apocalyptic number.

It is an amenable number.

2634789 is a deficient number, since it is larger than the sum of its proper divisors (1009563).

2634789 is a wasteful number, since it uses less digits than its factorization.

2634789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356.

The product of its digits is 72576, while the sum is 39.

The square root of 2634789 is about 1623.2033144372. The cubic root of 2634789 is about 138.1174698160.

The spelling of 2634789 in words is "two million, six hundred thirty-four thousand, seven hundred eighty-nine".