248470984 has 16 divisors (see below), whose sum is σ = 478475100. Its totient is φ = 120877632.

The previous prime is 248470973. The next prime is 248470991. The reversal of 248470984 is 489074842.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 228916900 + 19554084 = 15130^2 + 4422^2 .

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 3 ways as a sum of consecutive naturals, for example, 419419 + ... + 420010.

Almost surely, 2^248470984 is an apocalyptic number.

It is an amenable number.

248470984 is a deficient number, since it is larger than the sum of its proper divisors (230004116).

248470984 is a wasteful number, since it uses less digits than its factorization.

248470984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839472 (or 839468 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 46.

The square root of 248470984 is about 15762.9624119326. The cubic root of 248470984 is about 628.6736047793.

The spelling of 248470984 in words is "two hundred forty-eight million, four hundred seventy thousand, nine hundred eighty-four".