258793998 has 16 divisors (see below), whose sum is σ = 518583936. Its totient is φ = 86098680.

The previous prime is 258793993. The next prime is 258794023. The reversal of 258793998 is 899397852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258793991) 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, 38098 + ... + 44373.

It is an arithmetic number, because the mean of its divisors is an integer number (32411496).

Almost surely, 2^258793998 is an apocalyptic number.

258793998 is an abundant number, since it is smaller than the sum of its proper divisors (259789938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258793998 is a wasteful number, since it uses less digits than its factorization.

258793998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82999.

The product of its digits is 9797760, while the sum is 60.

The square root of 258793998 is about 16087.0754955648. The cubic root of 258793998 is about 637.2620651471.

The spelling of 258793998 in words is "two hundred fifty-eight million, seven hundred ninety-three thousand, nine hundred ninety-eight".