248118947 has 8 divisors (see below), whose sum is σ = 256375680. Its totient is φ = 239878080.

The previous prime is 248118931. The next prime is 248118973. The reversal of 248118947 is 749811842.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 248118947 - 2⁴ = 248118931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 248118898 and 248118907.

It is not an unprimeable number, because it can be changed into a prime (248118907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33629 + ... + 40337.

It is an arithmetic number, because the mean of its divisors is an integer number (32046960).

Almost surely, 2^248118947 is an apocalyptic number.

248118947 is a deficient number, since it is larger than the sum of its proper divisors (8256733).

248118947 is a wasteful number, since it uses less digits than its factorization.

248118947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7933.

The product of its digits is 129024, while the sum is 44.

The square root of 248118947 is about 15751.7918663243. The cubic root of 248118947 is about 628.3765600702.

The spelling of 248118947 in words is "two hundred forty-eight million, one hundred eighteen thousand, nine hundred forty-seven".