248269988 has 6 divisors (see below), whose sum is σ = 434472486. Its totient is φ = 124134992.

The previous prime is 248269969. The next prime is 248269991. The reversal of 248269988 is 889962842.

It can be written as a sum of positive squares in only one way, i.e., 194658304 + 53611684 = 13952^2 + 7322^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31033745 + ... + 31033752.

It is an arithmetic number, because the mean of its divisors is an integer number (72412081).

Almost surely, 2^248269988 is an apocalyptic number.

It is an amenable number.

248269988 is a deficient number, since it is larger than the sum of its proper divisors (186202498).

248269988 is a wasteful number, since it uses less digits than its factorization.

248269988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62067501 (or 62067499 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 56.

The square root of 248269988 is about 15756.5855438290. The cubic root of 248269988 is about 628.5040410934.

The spelling of 248269988 in words is "two hundred forty-eight million, two hundred sixty-nine thousand, nine hundred eighty-eight".