248657814 has 12 divisors (see below), whose sum is σ = 538758636. Its totient is φ = 82885932.

The previous prime is 248657779. The next prime is 248657819. The reversal of 248657814 is 418756842.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 248657814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248657819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6907144 + ... + 6907179.

It is an arithmetic number, because the mean of its divisors is an integer number (44896553).

Almost surely, 2^248657814 is an apocalyptic number.

248657814 is an abundant number, since it is smaller than the sum of its proper divisors (290100822).

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

248657814 is a wasteful number, since it uses less digits than its factorization.

248657814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13814331 (or 13814328 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 248657814 is about 15768.8875320994. The cubic root of 248657814 is about 628.8311357997.

The spelling of 248657814 in words is "two hundred forty-eight million, six hundred fifty-seven thousand, eight hundred fourteen".