864434329 has 8 divisors (see below), whose sum is σ = 946094688. Its totient is φ = 783286560.

The previous prime is 864434321. The next prime is 864434339. The reversal of 864434329 is 923434468.

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 864434329 - 2³ = 864434321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (864434321) 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, 124612 + ... + 131365.

It is an arithmetic number, because the mean of its divisors is an integer number (118261836).

Almost surely, 2^864434329 is an apocalyptic number.

It is an amenable number.

864434329 is a deficient number, since it is larger than the sum of its proper divisors (81660359).

864434329 is a wasteful number, since it uses less digits than its factorization.

864434329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256295.

The product of its digits is 497664, while the sum is 43.

The square root of 864434329 is about 29401.2640714647. The cubic root of 864434329 is about 952.6002003511.

The spelling of 864434329 in words is "eight hundred sixty-four million, four hundred thirty-four thousand, three hundred twenty-nine".