2634621 has 16 divisors (see below), whose sum is σ = 3965760. Its totient is φ = 1541120.

The previous prime is 2634613. The next prime is 2634623. The reversal of 2634621 is 1264362.

It is a cyclic number.

It is not a de Polignac number, because 2634621 - 2³ = 2634613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2634591 and 2634600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2634623) 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, 420 + ... + 2333.

It is an arithmetic number, because the mean of its divisors is an integer number (247860).

2^2634621 is an apocalyptic number.

It is an amenable number.

2634621 is a deficient number, since it is larger than the sum of its proper divisors (1331139).

2634621 is a wasteful number, since it uses less digits than its factorization.

2634621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2796.

The product of its digits is 1728, while the sum is 24.

The square root of 2634621 is about 1623.1515640876. The cubic root of 2634621 is about 138.1145341947.

Adding to 2634621 its reverse (1264362), we get a palindrome (3898983).

It can be divided in two parts, 263 and 4621, that added together give a palindrome (4884).

The spelling of 2634621 in words is "two million, six hundred thirty-four thousand, six hundred twenty-one".