864003798 has 96 divisors (see below), whose sum is σ = 2209247040. Its totient is φ = 238878720.

The previous prime is 864003797. The next prime is 864003799. The reversal of 864003798 is 897300468.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (864003797) and next prime (864003799).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864003797) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1123158 + ... + 1123926.

It is an arithmetic number, because the mean of its divisors is an integer number (23012990).

Almost surely, 2^864003798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 864003798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1104623520).

864003798 is an abundant number, since it is smaller than the sum of its proper divisors (1345243242).

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

864003798 is a wasteful number, since it uses less digits than its factorization.

864003798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062 (or 1059 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 864003798 is about 29393.9415186191. The cubic root of 864003798 is about 952.4420267690.

The spelling of 864003798 in words is "eight hundred sixty-four million, three thousand, seven hundred ninety-eight".