869903000 has 64 divisors (see below), whose sum is σ = 2048155200. Its totient is φ = 345811200.

The previous prime is 869902963. The next prime is 869903003. The reversal of 869903000 is 309968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869903003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164396 + ... + 169604.

It is an arithmetic number, because the mean of its divisors is an integer number (32002425).

Almost surely, 2^869903000 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 869903000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1024077600).

869903000 is an abundant number, since it is smaller than the sum of its proper divisors (1178252200).

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

869903000 is a wasteful number, since it uses less digits than its factorization.

869903000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5397 (or 5383 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 869903000 is about 29494.1180576738. The cubic root of 869903000 is about 954.6047906494.

The spelling of 869903000 in words is "eight hundred sixty-nine million, nine hundred three thousand".