864698328 has 80 divisors (see below), whose sum is σ = 2608285680. Its totient is φ = 266058432.

The previous prime is 864698327. The next prime is 864698347. The reversal of 864698328 is 823896468.

864698328 is a `hidden beast` number, since 86 + 469 + 83 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864698327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 42900 + ... + 59747.

It is an arithmetic number, because the mean of its divisors is an integer number (32603571).

Almost surely, 2^864698328 is an apocalyptic number.

It is an amenable number.

864698328 is an abundant number, since it is smaller than the sum of its proper divisors (1743587352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

864698328 is a wasteful number, since it uses less digits than its factorization.

864698328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102678 (or 102665 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The square root of 864698328 is about 29405.7533146152. The cubic root of 864698328 is about 952.6971654588.

The spelling of 864698328 in words is "eight hundred sixty-four million, six hundred ninety-eight thousand, three hundred twenty-eight".