249485228 has 12 divisors (see below), whose sum is σ = 448399392. Its totient is φ = 121371120.

The previous prime is 249485227. The next prime is 249485273. The reversal of 249485228 is 822584942.

It is not an unprimeable number, because it can be changed into a prime (249485227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842708 + ... + 843003.

It is an arithmetic number, because the mean of its divisors is an integer number (37366616).

Almost surely, 2^249485228 is an apocalyptic number.

It is an amenable number.

249485228 is a deficient number, since it is larger than the sum of its proper divisors (198914164).

249485228 is a wasteful number, since it uses less digits than its factorization.

249485228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685752 (or 1685750 counting only the distinct ones).

The product of its digits is 368640, while the sum is 44.

The square root of 249485228 is about 15795.1013925204. The cubic root of 249485228 is about 629.5278464512.

The spelling of 249485228 in words is "two hundred forty-nine million, four hundred eighty-five thousand, two hundred twenty-eight".