249004443 has 24 divisors (see below), whose sum is σ = 358615488. Its totient is φ = 153579888.

The previous prime is 249004433. The next prime is 249004489. The reversal of 249004443 is 344400942.

It is not a de Polignac number, because 249004443 - 2²⁴ = 232227227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 249004443.

It is not an unprimeable number, because it can be changed into a prime (249004433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43896 + ... + 49242.

It is an arithmetic number, because the mean of its divisors is an integer number (14942312).

Almost surely, 2^249004443 is an apocalyptic number.

249004443 is a deficient number, since it is larger than the sum of its proper divisors (109611045).

249004443 is a wasteful number, since it uses less digits than its factorization.

249004443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5431 (or 5412 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 249004443 is about 15779.8746192738. The cubic root of 249004443 is about 629.1231970045.

The spelling of 249004443 in words is "two hundred forty-nine million, four thousand, four hundred forty-three".