249664883 has 16 divisors (see below), whose sum is σ = 284743200. Its totient is φ = 218293920.

The previous prime is 249664871. The next prime is 249664889. The reversal of 249664883 is 388466942.

It is a happy number.

It is not a de Polignac number, because 249664883 - 2⁶ = 249664819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249664889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38753 + ... + 44733.

It is an arithmetic number, because the mean of its divisors is an integer number (17796450).

Almost surely, 2^249664883 is an apocalyptic number.

249664883 is a deficient number, since it is larger than the sum of its proper divisors (35078317).

249664883 is an equidigital number, since it uses as much as digits as its factorization.

249664883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6039 (or 6013 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 50.

The square root of 249664883 is about 15800.7874170878. The cubic root of 249664883 is about 629.6789184401.

The spelling of 249664883 in words is "two hundred forty-nine million, six hundred sixty-four thousand, eight hundred eighty-three".