239144849 has 4 divisors (see below), whose sum is σ = 251731440. Its totient is φ = 226558260.

The previous prime is 239144839. The next prime is 239144863. The reversal of 239144849 is 948441932.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 239144849 - 2¹² = 239140753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (239144839) 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, 6293267 + ... + 6293304.

It is an arithmetic number, because the mean of its divisors is an integer number (62932860).

Almost surely, 2^239144849 is an apocalyptic number.

It is an amenable number.

239144849 is a deficient number, since it is larger than the sum of its proper divisors (12586591).

239144849 is a wasteful number, since it uses less digits than its factorization.

239144849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12586590.

The product of its digits is 248832, while the sum is 44.

The square root of 239144849 is about 15464.3088756013. The cubic root of 239144849 is about 620.7075247538.

The spelling of 239144849 in words is "two hundred thirty-nine million, one hundred forty-four thousand, eight hundred forty-nine".