856970354 has 8 divisors (see below), whose sum is σ = 1301727360. Its totient is φ = 423061236.

The previous prime is 856970351. The next prime is 856970369. The reversal of 856970354 is 453079658.

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

It is a junction number, because it is equal to n+sod(n) for n = 856970299 and 856970308.

It is not an unprimeable number, because it can be changed into a prime (856970351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2711774 + ... + 2712089.

It is an arithmetic number, because the mean of its divisors is an integer number (162715920).

Almost surely, 2^856970354 is an apocalyptic number.

856970354 is a deficient number, since it is larger than the sum of its proper divisors (444757006).

856970354 is a wasteful number, since it uses less digits than its factorization.

856970354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5423944.

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 856970354 is about 29274.0559881954. The cubic root of 856970354 is about 949.8505227422.

The spelling of 856970354 in words is "eight hundred fifty-six million, nine hundred seventy thousand, three hundred fifty-four".