2558998 has 24 divisors (see below), whose sum is σ = 4255848. Its totient is φ = 1153152.

The previous prime is 2558953. The next prime is 2559013. The reversal of 2558998 is 8998552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22590 + ... + 22702.

It is an arithmetic number, because the mean of its divisors is an integer number (177327).

2^2558998 is an apocalyptic number.

2558998 is a deficient number, since it is larger than the sum of its proper divisors (1696850).

2558998 is a wasteful number, since it uses less digits than its factorization.

2558998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 195 counting only the distinct ones).

The product of its digits is 259200, while the sum is 46.

The square root of 2558998 is about 1599.6868443542. The cubic root of 2558998 is about 136.7802255311.

The spelling of 2558998 in words is "two million, five hundred fifty-eight thousand, nine hundred ninety-eight".