234196639 has 4 divisors (see below), whose sum is σ = 234230920. Its totient is φ = 234162360.

The previous prime is 234196631. The next prime is 234196667. The reversal of 234196639 is 936691432.

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

It is a cyclic number.

It is not a de Polignac number, because 234196639 - 2³ = 234196631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234196595 and 234196604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234196631) 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 in 3 ways as a sum of consecutive naturals, for example, 3009 + ... + 21850.

It is an arithmetic number, because the mean of its divisors is an integer number (58557730).

Almost surely, 2^234196639 is an apocalyptic number.

234196639 is a deficient number, since it is larger than the sum of its proper divisors (34281).

234196639 is an equidigital number, since it uses as much as digits as its factorization.

234196639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34280.

The product of its digits is 209952, while the sum is 43.

The square root of 234196639 is about 15303.4845378430. The cubic root of 234196639 is about 616.3965785179.

The spelling of 234196639 in words is "two hundred thirty-four million, one hundred ninety-six thousand, six hundred thirty-nine".