248291128 has 32 divisors (see below), whose sum is σ = 473798160. Its totient is φ = 121964800.

The previous prime is 248291119. The next prime is 248291129. The reversal of 248291128 is 821192842.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248291129) 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, 109575 + ... + 111817.

Almost surely, 2^248291128 is an apocalyptic number.

It is an amenable number.

248291128 is a deficient number, since it is larger than the sum of its proper divisors (225507032).

248291128 is a wasteful number, since it uses less digits than its factorization.

248291128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487 (or 2483 counting only the distinct ones).

The product of its digits is 18432, while the sum is 37.

The square root of 248291128 is about 15757.2563601663. The cubic root of 248291128 is about 628.5218794669.

The spelling of 248291128 in words is "two hundred forty-eight million, two hundred ninety-one thousand, one hundred twenty-eight".