239434642 has 8 divisors (see below), whose sum is σ = 361013436. Its totient is φ = 119096832.

The previous prime is 239434633. The next prime is 239434651. The reversal of 239434642 is 246434932.

It is an interprime number because it is at equal distance from previous prime (239434633) and next prime (239434651).

It can be written as a sum of positive squares in 2 ways, for example, as 236575161 + 2859481 = 15381^2 + 1691^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309763 + ... + 310534.

Almost surely, 2^239434642 is an apocalyptic number.

239434642 is a deficient number, since it is larger than the sum of its proper divisors (121578794).

239434642 is a wasteful number, since it uses less digits than its factorization.

239434642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620492.

The product of its digits is 124416, while the sum is 37.

The square root of 239434642 is about 15473.6757753289. The cubic root of 239434642 is about 620.9581456471.

The spelling of 239434642 in words is "two hundred thirty-nine million, four hundred thirty-four thousand, six hundred forty-two".