2658389 has 8 divisors (see below), whose sum is σ = 2742432. Its totient is φ = 2575440.

The previous prime is 2658379. The next prime is 2658391. The reversal of 2658389 is 9838562.

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 2658389 - 2⁴ = 2658373 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 6⁴ + 5⁴ + 8⁴ + 3⁹ + 8⁴ + 9⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2658349) 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, 8927 + ... + 9219.

It is an arithmetic number, because the mean of its divisors is an integer number (342804).

2^2658389 is an apocalyptic number.

It is an amenable number.

2658389 is a deficient number, since it is larger than the sum of its proper divisors (84043).

2658389 is a wasteful number, since it uses less digits than its factorization.

2658389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547.

The product of its digits is 103680, while the sum is 41.

The square root of 2658389 is about 1630.4566844906. The cubic root of 2658389 is about 138.5286208104.

The spelling of 2658389 in words is "two million, six hundred fifty-eight thousand, three hundred eighty-nine".