864268830 has 48 divisors (see below), whose sum is σ = 2249483184. Its totient is φ = 230227200.

The previous prime is 864268793. The next prime is 864268837. The reversal of 864268830 is 38862468.

It is a happy number.

864268830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×864268830² = 1493921221019137800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864268837) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90022 + ... + 99158.

It is an arithmetic number, because the mean of its divisors is an integer number (46864233).

Almost surely, 2^864268830 is an apocalyptic number.

864268830 is an abundant number, since it is smaller than the sum of its proper divisors (1385214354).

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

864268830 is a wasteful number, since it uses less digits than its factorization.

864268830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10201 (or 10198 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 864268830 is about 29398.4494489080. The cubic root of 864268830 is about 952.5394035821.

The spelling of 864268830 in words is "eight hundred sixty-four million, two hundred sixty-eight thousand, eight hundred thirty".