248866668 has 30 divisors (see below), whose sum is σ = 650587476. Its totient is φ = 82955448.

The previous prime is 248866649. The next prime is 248866687. The reversal of 248866668 is 866668842.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (248866649) and next prime (248866687).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 383730 + ... + 384377.

Almost surely, 2^248866668 is an apocalyptic number.

It is an amenable number.

248866668 is an abundant number, since it is smaller than the sum of its proper divisors (401720808).

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

248866668 is a wasteful number, since it uses less digits than its factorization.

248866668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768123 (or 768112 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 54.

The square root of 248866668 is about 15775.5084862581. The cubic root of 248866668 is about 629.0071436005.

The spelling of 248866668 in words is "two hundred forty-eight million, eight hundred sixty-six thousand, six hundred sixty-eight".