258098 has 4 divisors (see below), whose sum is σ = 387150. Its totient is φ = 129048.

The previous prime is 258067. The next prime is 258101. The reversal of 258098 is 890852.

258098 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 157609 + 100489 = 397^2 + 317^2 .

It is a super-2 number, since 2×258098² = 133229155208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64523 + ... + 64526.

2²⁵⁸⁰⁹⁸ is an apocalyptic number.

258098 is a deficient number, since it is larger than the sum of its proper divisors (129052).

258098 is a wasteful number, since it uses less digits than its factorization.

258098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129051.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 258098 is about 508.0334634648. The cubic root of 258098 is about 63.6690270164.

The spelling of 258098 in words is "two hundred fifty-eight thousand, ninety-eight".