248938864 has 20 divisors (see below), whose sum is σ = 485843904. Its totient is φ = 123559808.

The previous prime is 248938861. The next prime is 248938873. The reversal of 248938864 is 468839842.

It is a super-2 number, since 2×248938864² = 123941116019220992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248938861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54592 + ... + 58975.

Almost surely, 2^248938864 is an apocalyptic number.

It is an amenable number.

248938864 is a deficient number, since it is larger than the sum of its proper divisors (236905040).

248938864 is a wasteful number, since it uses less digits than its factorization.

248938864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113712 (or 113706 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 52.

The square root of 248938864 is about 15777.7965508496. The cubic root of 248938864 is about 629.0679625248.

The spelling of 248938864 in words is "two hundred forty-eight million, nine hundred thirty-eight thousand, eight hundred sixty-four".