239429797 has 8 divisors (see below), whose sum is σ = 244872576. Its totient is φ = 234001632.

The previous prime is 239429789. The next prime is 239429807. The reversal of 239429797 is 797924932.

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 239429797 - 2³ = 239429789 is a prime.

It is a super-2 number, since 2×239429797² = 114653255382922418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239429777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33753 + ... + 40225.

It is an arithmetic number, because the mean of its divisors is an integer number (30609072).

Almost surely, 2^239429797 is an apocalyptic number.

It is an amenable number.

239429797 is a deficient number, since it is larger than the sum of its proper divisors (5442779).

239429797 is an equidigital number, since it uses as much as digits as its factorization.

239429797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7307.

The product of its digits is 1714608, while the sum is 52.

The square root of 239429797 is about 15473.5192183291. The cubic root of 239429797 is about 620.9539572216.

The spelling of 239429797 in words is "two hundred thirty-nine million, four hundred twenty-nine thousand, seven hundred ninety-seven".