248942 has 4 divisors (see below), whose sum is σ = 373416. Its totient is φ = 124470.

The previous prime is 248909. The next prime is 248971. The reversal of 248942 is 249842.

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

It is a congruent number.

It is an unprimeable number.

248942 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62234 + ... + 62237.

It is an arithmetic number, because the mean of its divisors is an integer number (93354).

2²⁴⁸⁹⁴² is an apocalyptic number.

248942 is a deficient number, since it is larger than the sum of its proper divisors (124474).

248942 is a wasteful number, since it uses less digits than its factorization.

248942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124473.

The product of its digits is 4608, while the sum is 29.

The square root of 248942 is about 498.9408782611. The cubic root of 248942 is about 62.9070604069.

Subtracting 248942 from its reverse (249842), we obtain a square (900 = 30²).

The spelling of 248942 in words is "two hundred forty-eight thousand, nine hundred forty-two".