248947 has 4 divisors (see below), whose sum is σ = 250560. Its totient is φ = 247336.

The previous prime is 248909. The next prime is 248971. The reversal of 248947 is 749842.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 248947 - 2¹¹ = 246899 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (248987) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 547 + ... + 892.

It is an arithmetic number, because the mean of its divisors is an integer number (62640).

2²⁴⁸⁹⁴⁷ is an apocalyptic number.

248947 is a deficient number, since it is larger than the sum of its proper divisors (1613).

248947 is a wasteful number, since it uses less digits than its factorization.

248947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612.

The product of its digits is 16128, while the sum is 34.

The square root of 248947 is about 498.9458888497. The cubic root of 248947 is about 62.9074815668.

The spelling of 248947 in words is "two hundred forty-eight thousand, nine hundred forty-seven".