249968084 has 6 divisors (see below), whose sum is σ = 437444154. Its totient is φ = 124984040.

The previous prime is 249968083. The next prime is 249968093. The reversal of 249968084 is 480869942.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 232562500 + 17405584 = 15250^2 + 4172^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249968083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31246007 + ... + 31246014.

It is an arithmetic number, because the mean of its divisors is an integer number (72907359).

Almost surely, 2^249968084 is an apocalyptic number.

It is an amenable number.

249968084 is a deficient number, since it is larger than the sum of its proper divisors (187476070).

249968084 is a wasteful number, since it uses less digits than its factorization.

249968084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62492025 (or 62492023 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 249968084 is about 15810.3789960899. The cubic root of 249968084 is about 629.9337160464.

The spelling of 249968084 in words is "two hundred forty-nine million, nine hundred sixty-eight thousand, eighty-four".