2258389 has 4 divisors (see below), whose sum is σ = 2581024. Its totient is φ = 1935756.

The previous prime is 2258387. The next prime is 2258407. The reversal of 2258389 is 9838522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2258389 - 2¹ = 2258387 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 2¹⁸ + 5⁸ + 8³ + 3¹³ + 8⁴ + 9⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2258387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161307 + ... + 161320.

It is an arithmetic number, because the mean of its divisors is an integer number (645256).

2^2258389 is an apocalyptic number.

It is an amenable number.

2258389 is a deficient number, since it is larger than the sum of its proper divisors (322635).

2258389 is an equidigital number, since it uses as much as digits as its factorization.

2258389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322634.

The product of its digits is 34560, while the sum is 37.

The square root of 2258389 is about 1502.7937316878. The cubic root of 2258389 is about 131.1997225418.

The spelling of 2258389 in words is "two million, two hundred fifty-eight thousand, three hundred eighty-nine".