855596403 has 6 divisors (see below), whose sum is σ = 1235861484. Its totient is φ = 570397596.

The previous prime is 855596393. The next prime is 855596419. The reversal of 855596403 is 304695558.

855596403 is a `hidden beast` number, since 8 + 55 + 596 + 4 + 0 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-855596403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (855596603) 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, 47533125 + ... + 47533142.

It is an arithmetic number, because the mean of its divisors is an integer number (205976914).

Almost surely, 2^855596403 is an apocalyptic number.

855596403 is a deficient number, since it is larger than the sum of its proper divisors (380265081).

855596403 is a wasteful number, since it uses less digits than its factorization.

855596403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95066273 (or 95066270 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The square root of 855596403 is about 29250.5795327204. The cubic root of 855596403 is about 949.3426303600.

The spelling of 855596403 in words is "eight hundred fifty-five million, five hundred ninety-six thousand, four hundred three".