248657816 has 16 divisors (see below), whose sum is σ = 508618440. Its totient is φ = 113026240.

The previous prime is 248657779. The next prime is 248657819. The reversal of 248657816 is 618756842.

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 3 ways as a sum of consecutive naturals, for example, 1412741 + ... + 1412916.

Almost surely, 2^248657816 is an apocalyptic number.

It is an amenable number.

248657816 is an abundant number, since it is smaller than the sum of its proper divisors (259960624).

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

248657816 is a wasteful number, since it uses less digits than its factorization.

248657816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825674 (or 2825670 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 248657816 is about 15768.8875955154. The cubic root of 248657816 is about 628.8311374856.

The spelling of 248657816 in words is "two hundred forty-eight million, six hundred fifty-seven thousand, eight hundred sixteen".