856028319 has 8 divisors (see below), whose sum is σ = 1208510640. Its totient is φ = 537115776.

The previous prime is 856028297. The next prime is 856028321. The reversal of 856028319 is 913820658.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 856028319 - 2⁵ = 856028287 is a prime.

It is a super-2 number, since 2×856028319² = 1465568965859931522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856028359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8392384 + ... + 8392485.

It is an arithmetic number, because the mean of its divisors is an integer number (151063830).

Almost surely, 2^856028319 is an apocalyptic number.

856028319 is a deficient number, since it is larger than the sum of its proper divisors (352482321).

856028319 is a wasteful number, since it uses less digits than its factorization.

856028319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16784889.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 856028319 is about 29257.9616343996. The cubic root of 856028319 is about 949.5023502514.

The spelling of 856028319 in words is "eight hundred fifty-six million, twenty-eight thousand, three hundred nineteen".