869923000 has 128 divisors (see below), whose sum is σ = 2113413120. Its totient is φ = 334953600.

The previous prime is 869922983. The next prime is 869923003. The reversal of 869923000 is 329968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869923003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3900889 + ... + 3901111.

It is an arithmetic number, because the mean of its divisors is an integer number (16511040).

Almost surely, 2^869923000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 869923000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1056706560).

869923000 is an abundant number, since it is smaller than the sum of its proper divisors (1243490120).

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

869923000 is a wasteful number, since it uses less digits than its factorization.

869923000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 869923000 is about 29494.4571063785. The cubic root of 869923000 is about 954.6121063883.

The spelling of 869923000 in words is "eight hundred sixty-nine million, nine hundred twenty-three thousand".