258487898 has 16 divisors (see below), whose sum is σ = 390121920. Its totient is φ = 128450400.

The previous prime is 258487877. The next prime is 258487919. The reversal of 258487898 is 898784852.

It is an interprime number because it is at equal distance from previous prime (258487877) and next prime (258487919).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373733 + ... + 374423.

It is an arithmetic number, because the mean of its divisors is an integer number (24382620).

Almost surely, 2^258487898 is an apocalyptic number.

258487898 is a deficient number, since it is larger than the sum of its proper divisors (131634022).

258487898 is a wasteful number, since it uses less digits than its factorization.

258487898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573.

The product of its digits is 10321920, while the sum is 59.

The square root of 258487898 is about 16077.5588321113. The cubic root of 258487898 is about 637.0107160975.

The spelling of 258487898 in words is "two hundred fifty-eight million, four hundred eighty-seven thousand, eight hundred ninety-eight".