249966336 has 36 divisors (see below), whose sum is σ = 665277032. Its totient is φ = 83321856.

The previous prime is 249966331. The next prime is 249966383. The reversal of 249966336 is 633669942.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249966331) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 161971 + ... + 163506.

Almost surely, 2^249966336 is an apocalyptic number.

It is an amenable number.

249966336 is an abundant number, since it is smaller than the sum of its proper divisors (415310696).

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

249966336 is an equidigital number, since it uses as much as digits as its factorization.

249966336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325496 (or 325482 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 48.

The square root of 249966336 is about 15810.3237158510. The cubic root of 249966336 is about 629.9322476900.

The spelling of 249966336 in words is "two hundred forty-nine million, nine hundred sixty-six thousand, three hundred thirty-six".