239909601 has 8 divisors (see below), whose sum is σ = 322321824. Its totient is φ = 158718560.

The previous prime is 239909597. The next prime is 239909603. The reversal of 239909601 is 106909932.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 239909601 - 2² = 239909597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 239909601.

It is not an unprimeable number, because it can be changed into a prime (239909603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304836 + ... + 305621.

It is an arithmetic number, because the mean of its divisors is an integer number (40290228).

Almost surely, 2^239909601 is an apocalyptic number.

It is an amenable number.

239909601 is a deficient number, since it is larger than the sum of its proper divisors (82412223).

239909601 is a wasteful number, since it uses less digits than its factorization.

239909601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610591.

The product of its (nonzero) digits is 26244, while the sum is 39.

The square root of 239909601 is about 15489.0154948596. The cubic root of 239909601 is about 621.3684661947.

The spelling of 239909601 in words is "two hundred thirty-nine million, nine hundred nine thousand, six hundred one".