855308408 has 16 divisors (see below), whose sum is σ = 1688109000. Its totient is φ = 405146016.

The previous prime is 855308407. The next prime is 855308417. The reversal of 855308408 is 804803558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855308401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2813363 + ... + 2813666.

Almost surely, 2^855308408 is an apocalyptic number.

It is an amenable number.

855308408 is a deficient number, since it is larger than the sum of its proper divisors (832800592).

855308408 is a wasteful number, since it uses less digits than its factorization.

855308408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5627054 (or 5627050 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 855308408 is about 29245.6562244720. The cubic root of 855308408 is about 949.2361017008.

The spelling of 855308408 in words is "eight hundred fifty-five million, three hundred eight thousand, four hundred eight".