2634309 has 16 divisors (see below), whose sum is σ = 3995200. Its totient is φ = 1714608.

The previous prime is 2634301. The next prime is 2634319. The reversal of 2634309 is 9034362.

It is not a de Polignac number, because 2634309 - 2³ = 2634301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 2²¹ + 6⁴ + 3⁵ + 4⁶ + 3¹² + 0 + 9² .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2634301) 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, 27 + ... + 2295.

It is an arithmetic number, because the mean of its divisors is an integer number (249700).

2^2634309 is an apocalyptic number.

It is an amenable number.

2634309 is a deficient number, since it is larger than the sum of its proper divisors (1360891).

2634309 is a wasteful number, since it uses less digits than its factorization.

2634309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321 (or 2315 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 2634309 is about 1623.0554519178. The cubic root of 2634309 is about 138.1090819955.

The spelling of 2634309 in words is "two million, six hundred thirty-four thousand, three hundred nine".