858970916 has 12 divisors (see below), whose sum is σ = 1508550540. Its totient is φ = 427956480.

The previous prime is 858970913. The next prime is 858970927. The reversal of 858970916 is 619079858.

858970916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 538704100 + 320266816 = 23210^2 + 17896^2 .

It is not an unprimeable number, because it can be changed into a prime (858970913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380981 + ... + 383228.

It is an arithmetic number, because the mean of its divisors is an integer number (125712545).

Almost surely, 2^858970916 is an apocalyptic number.

It is an amenable number.

858970916 is a deficient number, since it is larger than the sum of its proper divisors (649579624).

858970916 is a wasteful number, since it uses less digits than its factorization.

858970916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764494 (or 764492 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 53.

The square root of 858970916 is about 29308.2056086687. The cubic root of 858970916 is about 950.5890773079.

The spelling of 858970916 in words is "eight hundred fifty-eight million, nine hundred seventy thousand, nine hundred sixteen".