408806366 has 4 divisors (see below), whose sum is σ = 613209552. Its totient is φ = 204403182.

The previous prime is 408806357. The next prime is 408806369. The reversal of 408806366 is 663608804.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408806369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102201590 + ... + 102201593.

It is an arithmetic number, because the mean of its divisors is an integer number (153302388).

Almost surely, 2^408806366 is an apocalyptic number.

408806366 is a deficient number, since it is larger than the sum of its proper divisors (204403186).

408806366 is a wasteful number, since it uses less digits than its factorization.

408806366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204403185.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 408806366 is about 20218.9605568635. The cubic root of 408806366 is about 742.1742518612.

The spelling of 408806366 in words is "four hundred eight million, eight hundred six thousand, three hundred sixty-six".