258093870 has 64 divisors (see below), whose sum is σ = 640650816. Its totient is φ = 66493440.

The previous prime is 258093841. The next prime is 258093877. The reversal of 258093870 is 78390852.

It is a super-2 number, since 2×258093870² = 133224891463153800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258093877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173530 + ... + 175010.

It is an arithmetic number, because the mean of its divisors is an integer number (10010169).

Almost surely, 2^258093870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 258093870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320325408).

258093870 is an abundant number, since it is smaller than the sum of its proper divisors (382556946).

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

258093870 is a wasteful number, since it uses less digits than its factorization.

258093870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 258093870 is about 16065.3001839368. The cubic root of 258093870 is about 636.6868741093.

The spelling of 258093870 in words is "two hundred fifty-eight million, ninety-three thousand, eight hundred seventy".