408703668 has 24 divisors (see below), whose sum is σ = 954303168. Its totient is φ = 136140096.

The previous prime is 408703663. The next prime is 408703693. The reversal of 408703668 is 866307804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408703663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7480 + ... + 29552.

It is an arithmetic number, because the mean of its divisors is an integer number (39762632).

Almost surely, 2^408703668 is an apocalyptic number.

It is an amenable number.

408703668 is an abundant number, since it is smaller than the sum of its proper divisors (545599500).

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

408703668 is a wasteful number, since it uses less digits than its factorization.

408703668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23623 (or 23621 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 408703668 is about 20216.4207514585. The cubic root of 408703668 is about 742.1120983976.

The spelling of 408703668 in words is "four hundred eight million, seven hundred three thousand, six hundred sixty-eight".