855596394 has 12 divisors (see below), whose sum is σ = 1853792226. Its totient is φ = 285198792.

The previous prime is 855596393. The next prime is 855596419. The reversal of 855596394 is 493695558.

It is a happy number.

855596394 is a `hidden beast` number, since 85 + 559 + 6 + 3 + 9 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 741854169 + 113742225 = 27237^2 + 10665^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 855596394.

It is not an unprimeable number, because it can be changed into a prime (855596393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23766549 + ... + 23766584.

Almost surely, 2^855596394 is an apocalyptic number.

855596394 is an abundant number, since it is smaller than the sum of its proper divisors (998195832).

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

855596394 is a wasteful number, since it uses less digits than its factorization.

855596394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47533141 (or 47533138 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 54.

The square root of 855596394 is about 29250.5793788773. The cubic root of 855596394 is about 949.3426270313.

The spelling of 855596394 in words is "eight hundred fifty-five million, five hundred ninety-six thousand, three hundred ninety-four".