258298216 has 24 divisors (see below), whose sum is σ = 532341810. Its totient is φ = 117407840.

The previous prime is 258298151. The next prime is 258298247. The reversal of 258298216 is 612892852.

258298216 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., 201356100 + 56942116 = 14190^2 + 7546^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132451 + ... + 134386.

Almost surely, 2^258298216 is an apocalyptic number.

It is an amenable number.

258298216 is an abundant number, since it is smaller than the sum of its proper divisors (274043594).

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

258298216 is a wasteful number, since it uses less digits than its factorization.

258298216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266865 (or 266850 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 258298216 is about 16071.6587818433. The cubic root of 258298216 is about 636.8548622064.

The spelling of 258298216 in words is "two hundred fifty-eight million, two hundred ninety-eight thousand, two hundred sixteen".