258850992 has 80 divisors (see below), whose sum is σ = 700018688. Its totient is φ = 82321920.

The previous prime is 258850973. The next prime is 258850997. The reversal of 258850992 is 299058852.

258850992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (258850997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107433 + ... + 109815.

Almost surely, 2^258850992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 258850992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350009344).

258850992 is an abundant number, since it is smaller than the sum of its proper divisors (441167696).

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

258850992 is a wasteful number, since it uses less digits than its factorization.

258850992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498 (or 2492 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 48.

The square root of 258850992 is about 16088.8468200801. The cubic root of 258850992 is about 637.3088429556.

The spelling of 258850992 in words is "two hundred fifty-eight million, eight hundred fifty thousand, nine hundred ninety-two".