248365979 has 8 divisors (see below), whose sum is σ = 254799600. Its totient is φ = 241962336.

The previous prime is 248365961. The next prime is 248366009. The reversal of 248365979 is 979563842.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248365979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 248365979.

It is not an unprimeable number, because it can be changed into a prime (248365079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9797 + ... + 24345.

It is an arithmetic number, because the mean of its divisors is an integer number (31849950).

Almost surely, 2^248365979 is an apocalyptic number.

248365979 is a deficient number, since it is larger than the sum of its proper divisors (6433621).

248365979 is a wasteful number, since it uses less digits than its factorization.

248365979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14989.

The product of its digits is 3265920, while the sum is 53.

The square root of 248365979 is about 15759.6313091392. The cubic root of 248365979 is about 628.5850321657.

The spelling of 248365979 in words is "two hundred forty-eight million, three hundred sixty-five thousand, nine hundred seventy-nine".