258935982 has 16 divisors (see below), whose sum is σ = 521951232. Its totient is φ = 85632120.

The previous prime is 258935947. The next prime is 258936031. The reversal of 258935982 is 289539852.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169144 + ... + 170667.

It is an arithmetic number, because the mean of its divisors is an integer number (32621952).

Almost surely, 2^258935982 is an apocalyptic number.

258935982 is an abundant number, since it is smaller than the sum of its proper divisors (263015250).

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

258935982 is a wasteful number, since it uses less digits than its factorization.

258935982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339943.

The product of its digits is 1555200, while the sum is 51.

The square root of 258935982 is about 16091.4878740283. The cubic root of 258935982 is about 637.3785857204.

The spelling of 258935982 in words is "two hundred fifty-eight million, nine hundred thirty-five thousand, nine hundred eighty-two".