248431488 has 32 divisors (see below), whose sum is σ = 659897160. Its totient is φ = 82810368.

The previous prime is 248431481. The next prime is 248431493. The reversal of 248431488 is 884134842.

It is a tau number, because it is divible by the number of its divisors (32).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248431481) 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, 323095 + ... + 323862.

Almost surely, 2^248431488 is an apocalyptic number.

It is an amenable number.

248431488 is an abundant number, since it is smaller than the sum of its proper divisors (411465672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

248431488 is an equidigital number, since it uses as much as digits as its factorization.

248431488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646974 (or 646962 counting only the distinct ones).

The product of its digits is 196608, while the sum is 42.

The square root of 248431488 is about 15761.7095519490. The cubic root of 248431488 is about 628.6402924946.

The spelling of 248431488 in words is "two hundred forty-eight million, four hundred thirty-one thousand, four hundred eighty-eight".