249888748 has 6 divisors (see below), whose sum is σ = 437305316. Its totient is φ = 124944372.

The previous prime is 249888731. The next prime is 249888773. The reversal of 249888748 is 847888942.

It is a junction number, because it is equal to n+sod(n) for n = 249888692 and 249888701.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31236090 + ... + 31236097.

Almost surely, 2^249888748 is an apocalyptic number.

It is an amenable number.

249888748 is a deficient number, since it is larger than the sum of its proper divisors (187416568).

249888748 is a wasteful number, since it uses less digits than its factorization.

249888748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62472191 (or 62472189 counting only the distinct ones).

The product of its digits is 8257536, while the sum is 58.

The square root of 249888748 is about 15807.8698122170. The cubic root of 249888748 is about 629.8670652582.

The spelling of 249888748 in words is "two hundred forty-nine million, eight hundred eighty-eight thousand, seven hundred forty-eight".