864029000 has 32 divisors (see below), whose sum is σ = 2021830200. Its totient is φ = 345611200.

The previous prime is 864028973. The next prime is 864029003. The reversal of 864029000 is 920468.

It can be written as a sum of positive squares in 4 ways, for example, as 484792324 + 379236676 = 22018^2 + 19474^2 .

It is a super-2 number, since 2×864029000² = 1493092225682000000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (864029003) 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, 431015 + ... + 433014.

Almost surely, 2^864029000 is an apocalyptic number.

It is an amenable number.

864029000 is an abundant number, since it is smaller than the sum of its proper divisors (1157801200).

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

864029000 is a wasteful number, since it uses less digits than its factorization.

864029000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864050 (or 864036 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 864029000 is about 29394.3702092765. The cubic root of 864029000 is about 952.4512872262.

Adding to 864029000 its reverse (920468), we get a palindrome (864949468).

The spelling of 864029000 in words is "eight hundred sixty-four million, twenty-nine thousand".