858472704 has 108 divisors (see below), whose sum is σ = 2487139200. Its totient is φ = 284777472.

The previous prime is 858472679. The next prime is 858472709. The reversal of 858472704 is 407274858.

It is a cake number, because a cake can be divided into 858472704 parts by 1727 planar cuts.

It is a self number, because there is not a number n which added to its sum of digits gives 858472704.

It is not an unprimeable number, because it can be changed into a prime (858472709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 549877 + ... + 551435.

Almost surely, 2^858472704 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 858472704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1243569600).

858472704 is an abundant number, since it is smaller than the sum of its proper divisors (1628666496).

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

858472704 is a wasteful number, since it uses less digits than its factorization.

858472704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820 (or 1803 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The square root of 858472704 is about 29299.7048449298. The cubic root of 858472704 is about 950.4052579378.

The spelling of 858472704 in words is "eight hundred fifty-eight million, four hundred seventy-two thousand, seven hundred four".