258671982 has 16 divisors (see below), whose sum is σ = 517503312. Its totient is φ = 86197440.

The previous prime is 258671981. The next prime is 258672019. The reversal of 258671982 is 289176852.

It is a super-2 number, since 2×258671982² = 133822388543616648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258671981) 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, 30132 + ... + 37752.

It is an arithmetic number, because the mean of its divisors is an integer number (32343957).

Almost surely, 2^258671982 is an apocalyptic number.

258671982 is an abundant number, since it is smaller than the sum of its proper divisors (258831330).

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

258671982 is a wasteful number, since it uses less digits than its factorization.

258671982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13283.

The product of its digits is 483840, while the sum is 48.

The square root of 258671982 is about 16083.2826873123. The cubic root of 258671982 is about 637.1618974564.

The spelling of 258671982 in words is "two hundred fifty-eight million, six hundred seventy-one thousand, nine hundred eighty-two".