248213646 has 20 divisors (see below), whose sum is σ = 556182792. Its totient is φ = 82737828.

The previous prime is 248213597. The next prime is 248213671. The reversal of 248213646 is 646312842.

248213646 is a `hidden beast` number, since 2 + 4 + 8 + 2 + 1 + 3 + 646 = 666.

It is a super-2 number, since 2×248213646² = 123220028121226632, which contains 22 as substring.

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 248213646.

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, 765930 + ... + 766253.

Almost surely, 2^248213646 is an apocalyptic number.

248213646 is an abundant number, since it is smaller than the sum of its proper divisors (307969146).

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

248213646 is a wasteful number, since it uses less digits than its factorization.

248213646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532197 (or 1532188 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 248213646 is about 15754.7975550307. The cubic root of 248213646 is about 628.4564935908.

The spelling of 248213646 in words is "two hundred forty-eight million, two hundred thirteen thousand, six hundred forty-six".