239023966 has 4 divisors (see below), whose sum is σ = 358535952. Its totient is φ = 119511982.

The previous prime is 239023957. The next prime is 239023969. The reversal of 239023966 is 669320932.

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

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (239023969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59755990 + ... + 59755993.

It is an arithmetic number, because the mean of its divisors is an integer number (89633988).

Almost surely, 2^239023966 is an apocalyptic number.

239023966 is a deficient number, since it is larger than the sum of its proper divisors (119511986).

239023966 is a wasteful number, since it uses less digits than its factorization.

239023966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119511985.

The product of its (nonzero) digits is 104976, while the sum is 40.

The square root of 239023966 is about 15460.3999301441. The cubic root of 239023966 is about 620.6029219936.

The spelling of 239023966 in words is "two hundred thirty-nine million, twenty-three thousand, nine hundred sixty-six".