258694 has 4 divisors (see below), whose sum is σ = 388044. Its totient is φ = 129346.

The previous prime is 258691. The next prime is 258697. The reversal of 258694 is 496852.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (258691) and next prime (258697).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64672 + ... + 64675.

It is an arithmetic number, because the mean of its divisors is an integer number (97011).

2²⁵⁸⁶⁹⁴ is an apocalyptic number.

258694 is a deficient number, since it is larger than the sum of its proper divisors (129350).

258694 is a wasteful number, since it uses less digits than its factorization.

258694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129349.

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

The square root of 258694 is about 508.6197007588. The cubic root of 258694 is about 63.7179975220.

The spelling of 258694 in words is "two hundred fifty-eight thousand, six hundred ninety-four".