249442339 has 4 divisors (see below), whose sum is σ = 251263224. Its totient is φ = 247621456.

The previous prime is 249442331. The next prime is 249442357. The reversal of 249442339 is 933244942.

It is a happy number.

249442339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 249442339 - 2³ = 249442331 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249442331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910237 + ... + 910510.

It is an arithmetic number, because the mean of its divisors is an integer number (62815806).

Almost surely, 2^249442339 is an apocalyptic number.

249442339 is a deficient number, since it is larger than the sum of its proper divisors (1820885).

249442339 is a wasteful number, since it uses less digits than its factorization.

249442339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820884.

The product of its digits is 186624, while the sum is 40.

The square root of 249442339 is about 15793.7436664016. The cubic root of 249442339 is about 629.4917703445.

The spelling of 249442339 in words is "two hundred forty-nine million, four hundred forty-two thousand, three hundred thirty-nine".