249945348 has 24 divisors (see below), whose sum is σ = 597431520. Its totient is φ = 81282880.

The previous prime is 249945257. The next prime is 249945379. The reversal of 249945348 is 843549942.

It is a super-2 number, since 2×249945348² = 124945353973682208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 249945297 and 249945306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253518 + ... + 254501.

It is an arithmetic number, because the mean of its divisors is an integer number (24892980).

Almost surely, 2^249945348 is an apocalyptic number.

It is an amenable number.

249945348 is an abundant number, since it is smaller than the sum of its proper divisors (347486172).

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

249945348 is a wasteful number, since it uses less digits than its factorization.

249945348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508067 (or 508065 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The square root of 249945348 is about 15809.6599583925. The cubic root of 249945348 is about 629.9146167985.

The spelling of 249945348 in words is "two hundred forty-nine million, nine hundred forty-five thousand, three hundred forty-eight".