2258399 has 16 divisors (see below), whose sum is σ = 2812320. Its totient is φ = 1781760.

The previous prime is 2258387. The next prime is 2258407. The reversal of 2258399 is 9938522.

It is a cyclic number.

It is not a de Polignac number, because 2258399 - 2¹⁶ = 2192863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2258329) 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, 1967 + ... + 2895.

It is an arithmetic number, because the mean of its divisors is an integer number (175770).

2^2258399 is an apocalyptic number.

2258399 is a deficient number, since it is larger than the sum of its proper divisors (553921).

2258399 is a wasteful number, since it uses less digits than its factorization.

2258399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970.

The product of its digits is 38880, while the sum is 38.

The square root of 2258399 is about 1502.7970588207. The cubic root of 2258399 is about 131.1999161895.

The spelling of 2258399 in words is "two million, two hundred fifty-eight thousand, three hundred ninety-nine".