408806853 has 96 divisors (see below), whose sum is σ = 728082432. Its totient is φ = 201801600.

The previous prime is 408806851. The next prime is 408806857. The reversal of 408806853 is 358608804.

It is not a de Polignac number, because 408806853 - 2¹ = 408806851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408806851) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3120598 + ... + 3120728.

It is an arithmetic number, because the mean of its divisors is an integer number (7584192).

Almost surely, 2^408806853 is an apocalyptic number.

It is an amenable number.

408806853 is a deficient number, since it is larger than the sum of its proper divisors (319275579).

408806853 is a wasteful number, since it uses less digits than its factorization.

408806853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 408806853 is about 20218.9726000111. The cubic root of 408806853 is about 742.1745465718.

The spelling of 408806853 in words is "four hundred eight million, eight hundred six thousand, eight hundred fifty-three".