2558830 has 16 divisors (see below), whose sum is σ = 4685040. Its totient is φ = 1005952.

The previous prime is 2558813. The next prime is 2558837. The reversal of 2558830 is 388552.

It is a super-2 number, since 2×2558830² = 13095221937800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2558792 and 2558801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2558837) 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, 1579 + ... + 2758.

It is an arithmetic number, because the mean of its divisors is an integer number (292815).

2^2558830 is an apocalyptic number.

2558830 is a deficient number, since it is larger than the sum of its proper divisors (2126210).

2558830 is a wasteful number, since it uses less digits than its factorization.

2558830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4403.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 2558830 is about 1599.6343332149. The cubic root of 2558830 is about 136.7772322266. Note that the first 3 decimals are identical.

The spelling of 2558830 in words is "two million, five hundred fifty-eight thousand, eight hundred thirty".