239442842 has 4 divisors (see below), whose sum is σ = 359164266. Its totient is φ = 119721420.

The previous prime is 239442793. The next prime is 239442859. The reversal of 239442842 is 248244932.

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

It can be written as a sum of positive squares in only one way, i.e., 239289961 + 152881 = 15469^2 + 391^2 .

It is a junction number, because it is equal to n+sod(n) for n = 239442796 and 239442805.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59860709 + ... + 59860712.

Almost surely, 2^239442842 is an apocalyptic number.

239442842 is a deficient number, since it is larger than the sum of its proper divisors (119721424).

239442842 is a wasteful number, since it uses less digits than its factorization.

239442842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119721423.

The product of its digits is 110592, while the sum is 38.

The square root of 239442842 is about 15473.9407391912. The cubic root of 239442842 is about 620.9652342881.

The spelling of 239442842 in words is "two hundred thirty-nine million, four hundred forty-two thousand, eight hundred forty-two".