258946 has 8 divisors (see below), whose sum is σ = 397584. Its totient is φ = 126420.

The previous prime is 258919. The next prime is 258949. The reversal of 258946 is 649852.

It is a happy number.

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 (258949) by changing a digit.

258946 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, 1420 + ... + 1591.

It is an arithmetic number, because the mean of its divisors is an integer number (49698).

2²⁵⁸⁹⁴⁶ is an apocalyptic number.

258946 is a deficient number, since it is larger than the sum of its proper divisors (138638).

258946 is a wasteful number, since it uses less digits than its factorization.

258946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056.

The product of its digits is 17280, while the sum is 34.

The square root of 258946 is about 508.8673697537. The cubic root of 258946 is about 63.7386805482.

The spelling of 258946 in words is "two hundred fifty-eight thousand, nine hundred forty-six".