248391772 has 12 divisors (see below), whose sum is σ = 436939216. Its totient is φ = 123552000.

The previous prime is 248391763. The next prime is 248391797. The reversal of 248391772 is 277193842.

248391772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160104 + ... + 161647.

Almost surely, 2^248391772 is an apocalyptic number.

It is an amenable number.

248391772 is a deficient number, since it is larger than the sum of its proper divisors (188547444).

248391772 is a wasteful number, since it uses less digits than its factorization.

248391772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321948 (or 321946 counting only the distinct ones).

The product of its digits is 169344, while the sum is 43.

The square root of 248391772 is about 15760.4496128759. The cubic root of 248391772 is about 628.6067910939.

The spelling of 248391772 in words is "two hundred forty-eight million, three hundred ninety-one thousand, seven hundred seventy-two".