258466 has 8 divisors (see below), whose sum is σ = 417564. Its totient is φ = 119280.

The previous prime is 258449. The next prime is 258469. The reversal of 258466 is 664852.

It can be written as a sum of positive squares in 2 ways, for example, as 180625 + 77841 = 425^2 + 279^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (258469) by changing a digit.

258466 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4945 + ... + 4996.

2²⁵⁸⁴⁶⁶ is an apocalyptic number.

258466 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

258466 is a deficient number, since it is larger than the sum of its proper divisors (159098).

258466 is a wasteful number, since it uses less digits than its factorization.

258466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9956.

The product of its digits is 11520, while the sum is 31.

The square root of 258466 is about 508.3955153225. The cubic root of 258466 is about 63.6992727306.

It can be divided in two parts, 25846 and 6, that added together give a palindrome (25852).

The spelling of 258466 in words is "two hundred fifty-eight thousand, four hundred sixty-six".