249946768 has 20 divisors (see below), whose sum is σ = 492212668. Its totient is φ = 122924160.

The previous prime is 249946747. The next prime is 249946771. The reversal of 249946768 is 867649942.

It is a happy number.

249946768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4460544 + 245486224 = 2112^2 + 15668^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127071 + ... + 129022.

Almost surely, 2^249946768 is an apocalyptic number.

It is an amenable number.

249946768 is a deficient number, since it is larger than the sum of its proper divisors (242265900).

249946768 is a wasteful number, since it uses less digits than its factorization.

249946768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256162 (or 256156 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 55.

The square root of 249946768 is about 15809.7048675805. The cubic root of 249946768 is about 629.9158096954.

The spelling of 249946768 in words is "two hundred forty-nine million, nine hundred forty-six thousand, seven hundred sixty-eight".