248439684 has 12 divisors (see below), whose sum is σ = 579692624. Its totient is φ = 82813224.

The previous prime is 248439647. The next prime is 248439701. The reversal of 248439684 is 486934842.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10351642 + ... + 10351665.

Almost surely, 2^248439684 is an apocalyptic number.

It is an amenable number.

248439684 is an abundant number, since it is smaller than the sum of its proper divisors (331252940).

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

248439684 is a wasteful number, since it uses less digits than its factorization.

248439684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20703314 (or 20703312 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 48.

The square root of 248439684 is about 15761.9695469824. The cubic root of 248439684 is about 628.6472055732.

The spelling of 248439684 in words is "two hundred forty-eight million, four hundred thirty-nine thousand, six hundred eighty-four".