249484648 has 32 divisors (see below), whose sum is σ = 545990400. Its totient is φ = 104645952.

The previous prime is 249484633. The next prime is 249484663. The reversal of 249484648 is 846484942.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (249484633) and next prime (249484663).

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 7 ways as a sum of consecutive naturals, for example, 44763 + ... + 50026.

It is an arithmetic number, because the mean of its divisors is an integer number (17062200).

Almost surely, 2^249484648 is an apocalyptic number.

249484648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

249484648 is an abundant number, since it is smaller than the sum of its proper divisors (296505752).

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

249484648 is a wasteful number, since it uses less digits than its factorization.

249484648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94849 (or 94845 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 49.

The square root of 249484648 is about 15795.0830323870. The cubic root of 249484648 is about 629.5273586115.

The spelling of 249484648 in words is "two hundred forty-nine million, four hundred eighty-four thousand, six hundred forty-eight".