248718489 has 8 divisors (see below), whose sum is σ = 334667520. Its totient is φ = 164290896.

The previous prime is 248718443. The next prime is 248718499. The reversal of 248718489 is 984817842.

248718489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 248718489 - 2⁷ = 248718361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (248718409) 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, 379977 + ... + 380630.

It is an arithmetic number, because the mean of its divisors is an integer number (41833440).

Almost surely, 2^248718489 is an apocalyptic number.

It is an amenable number.

248718489 is a deficient number, since it is larger than the sum of its proper divisors (85949031).

248718489 is a wasteful number, since it uses less digits than its factorization.

248718489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760719.

The product of its digits is 1032192, while the sum is 51.

The square root of 248718489 is about 15770.8112980912. The cubic root of 248718489 is about 628.8822786744.

The spelling of 248718489 in words is "two hundred forty-eight million, seven hundred eighteen thousand, four hundred eighty-nine".