249998472 has 48 divisors (see below), whose sum is σ = 679087500. Its totient is φ = 83085696.

The previous prime is 249998459. The next prime is 249998491. The reversal of 249998472 is 274899942.

249998472 is a `hidden beast` number, since 2 + 499 + 9 + 84 + 72 = 666.

249998472 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 248819076 + 1179396 = 15774^2 + 1086^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20154 + ... + 30102.

Almost surely, 2^249998472 is an apocalyptic number.

It is an amenable number.

249998472 is an abundant number, since it is smaller than the sum of its proper divisors (429089028).

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

249998472 is a wasteful number, since it uses less digits than its factorization.

249998472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10310 (or 10303 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 249998472 is about 15811.3399811654. The cubic root of 249998472 is about 629.9592415052.

The spelling of 249998472 in words is "two hundred forty-nine million, nine hundred ninety-eight thousand, four hundred seventy-two".