860099904 has 448 divisors, whose sum is σ = 2984601600. Its totient is φ = 240869376.

The previous prime is 860099897. The next prime is 860099909. The reversal of 860099904 is 409990068.

It is a self number, because there is not a number n which added to its sum of digits gives 860099904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860099909) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12837279 + ... + 12837345.

Almost surely, 2^860099904 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 860099904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1492300800).

860099904 is an abundant number, since it is smaller than the sum of its proper divisors (2124501696).

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

860099904 is a wasteful number, since it uses less digits than its factorization.

860099904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 860099904 is about 29327.4598968271. The cubic root of 860099904 is about 951.0053637409.

The spelling of 860099904 in words is "eight hundred sixty million, ninety-nine thousand, nine hundred four".