248718438 has 20 divisors (see below), whose sum is σ = 557313900. Its totient is φ = 82906092.

The previous prime is 248718419. The next prime is 248718443. The reversal of 248718438 is 834817842.

248718438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×248718438² = 123721722802319688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 248718393 and 248718402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 767488 + ... + 767811.

It is an arithmetic number, because the mean of its divisors is an integer number (27865695).

Almost surely, 2^248718438 is an apocalyptic number.

248718438 is an abundant number, since it is smaller than the sum of its proper divisors (308595462).

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

248718438 is a wasteful number, since it uses less digits than its factorization.

248718438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535313 (or 1535304 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 248718438 is about 15770.8096811800. The cubic root of 248718438 is about 628.8822356900.

The spelling of 248718438 in words is "two hundred forty-eight million, seven hundred eighteen thousand, four hundred thirty-eight".