856200030 has 64 divisors (see below), whose sum is σ = 2396390400. Its totient is φ = 195700512.

The previous prime is 856200013. The next prime is 856200071. The reversal of 856200030 is 30002658.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31314 + ... + 51893.

It is an arithmetic number, because the mean of its divisors is an integer number (37443600).

Almost surely, 2^856200030 is an apocalyptic number.

856200030 is an abundant number, since it is smaller than the sum of its proper divisors (1540190370).

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

856200030 is a wasteful number, since it uses less digits than its factorization.

856200030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83238 (or 83224 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 856200030 is about 29260.8959192982. The cubic root of 856200030 is about 949.5658330024.

Adding to 856200030 its reverse (30002658), we get a palindrome (886202688).

The spelling of 856200030 in words is "eight hundred fifty-six million, two hundred thousand, thirty".