864032213 has 8 divisors (see below), whose sum is σ = 945285600. Its totient is φ = 783229680.

The previous prime is 864032179. The next prime is 864032219. The reversal of 864032213 is 312230468.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-864032213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864032219) 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, 108695 + ... + 116372.

It is an arithmetic number, because the mean of its divisors is an integer number (118160700).

Almost surely, 2^864032213 is an apocalyptic number.

It is an amenable number.

864032213 is a deficient number, since it is larger than the sum of its proper divisors (81253387).

864032213 is a wasteful number, since it uses less digits than its factorization.

864032213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225427.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 864032213 is about 29394.4248625483. The cubic root of 864032213 is about 952.4524678278.

The spelling of 864032213 in words is "eight hundred sixty-four million, thirty-two thousand, two hundred thirteen".