248398866 has 32 divisors (see below), whose sum is σ = 584470080. Its totient is φ = 77928768.

The previous prime is 248398853. The next prime is 248398903. The reversal of 248398866 is 668893842.

248398866 is a `hidden beast` number, since 248 + 398 + 8 + 6 + 6 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134376 + ... + 136211.

It is an arithmetic number, because the mean of its divisors is an integer number (18264690).

Almost surely, 2^248398866 is an apocalyptic number.

248398866 is an abundant number, since it is smaller than the sum of its proper divisors (336071214).

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

248398866 is a wasteful number, since it uses less digits than its factorization.

248398866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270615 (or 270609 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The square root of 248398866 is about 15760.6746683002. The cubic root of 248398866 is about 628.6127753154.

The spelling of 248398866 in words is "two hundred forty-eight million, three hundred ninety-eight thousand, eight hundred sixty-six".