248379321 has 16 divisors (see below), whose sum is σ = 337478400. Its totient is φ = 162445008.

The previous prime is 248379289. The next prime is 248379337. The reversal of 248379321 is 123973842.

It is not a de Polignac number, because 248379321 - 2⁵ = 248379289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 248379321.

It is not an unprimeable number, because it can be changed into a prime (248379121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108430 + ... + 110696.

It is an arithmetic number, because the mean of its divisors is an integer number (21092400).

Almost surely, 2^248379321 is an apocalyptic number.

It is an amenable number.

248379321 is a deficient number, since it is larger than the sum of its proper divisors (89099079).

248379321 is a wasteful number, since it uses less digits than its factorization.

248379321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2948.

The product of its digits is 72576, while the sum is 39.

The square root of 248379321 is about 15760.0546001592. The cubic root of 248379321 is about 628.5962876409.

The spelling of 248379321 in words is "two hundred forty-eight million, three hundred seventy-nine thousand, three hundred twenty-one".