858121336 has 16 divisors (see below), whose sum is σ = 1631640240. Its totient is φ = 423017280.

The previous prime is 858121333. The next prime is 858121361. The reversal of 858121336 is 633121858.

858121336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 858121295 and 858121304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (858121331) 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, 754821 + ... + 755956.

It is an arithmetic number, because the mean of its divisors is an integer number (101977515).

Almost surely, 2^858121336 is an apocalyptic number.

It is an amenable number.

858121336 is a deficient number, since it is larger than the sum of its proper divisors (773518904).

858121336 is a wasteful number, since it uses less digits than its factorization.

858121336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510854 (or 1510850 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 858121336 is about 29293.7081299039. The cubic root of 858121336 is about 950.2755750860.

The spelling of 858121336 in words is "eight hundred fifty-eight million, one hundred twenty-one thousand, three hundred thirty-six".