258343092 has 108 divisors (see below), whose sum is σ = 765912420. Its totient is φ = 73204992.

The previous prime is 258343073. The next prime is 258343109. The reversal of 258343092 is 290343852.

It can be written as a sum of positive squares in 2 ways, for example, as 136328976 + 122014116 = 11676^2 + 11046^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 241134 + ... + 242202.

Almost surely, 2^258343092 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 258343092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382956210).

258343092 is an abundant number, since it is smaller than the sum of its proper divisors (507569328).

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

258343092 is a wasteful number, since it uses less digits than its factorization.

258343092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230 (or 1218 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 258343092 is about 16073.0548434328. The cubic root of 258343092 is about 636.8917418570.

The spelling of 258343092 in words is "two hundred fifty-eight million, three hundred forty-three thousand, ninety-two".