249358 has 4 divisors (see below), whose sum is σ = 374040. Its totient is φ = 124678.

The previous prime is 249341. The next prime is 249367. The reversal of 249358 is 853942.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 853942 = 2 ⋅426971.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62338 + ... + 62341.

It is an arithmetic number, because the mean of its divisors is an integer number (93510).

2²⁴⁹³⁵⁸ is an apocalyptic number.

249358 is a deficient number, since it is larger than the sum of its proper divisors (124682).

249358 is a wasteful number, since it uses less digits than its factorization.

249358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124681.

The product of its digits is 8640, while the sum is 31.

The square root of 249358 is about 499.3575873059. The cubic root of 249358 is about 62.9420816484.

The spelling of 249358 in words is "two hundred forty-nine thousand, three hundred fifty-eight".