258334884 has 54 divisors (see below), whose sum is σ = 668724966. Its totient is φ = 84087360.

The previous prime is 258334883. The next prime is 258334897. The reversal of 258334884 is 488433852.

258334884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 231709284 + 26625600 = 15222^2 + 5160^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258334883) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 64624 + ... + 68504.

Almost surely, 2^258334884 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 258334884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334362483).

258334884 is an abundant number, since it is smaller than the sum of its proper divisors (410390082).

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

258334884 is a wasteful number, since it uses less digits than its factorization.

258334884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3977 (or 3929 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The square root of 258334884 is about 16072.7995072420. The cubic root of 258334884 is about 636.8849967404.

The spelling of 258334884 in words is "two hundred fifty-eight million, three hundred thirty-four thousand, eight hundred eighty-four".