408220908 has 12 divisors (see below), whose sum is σ = 952515480. Its totient is φ = 136073632.

The previous prime is 408220903. The next prime is 408220913. The reversal of 408220908 is 809022804.

It is an interprime number because it is at equal distance from previous prime (408220903) and next prime (408220913).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (408220903) 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, 17009193 + ... + 17009216.

It is an arithmetic number, because the mean of its divisors is an integer number (79376290).

Almost surely, 2^408220908 is an apocalyptic number.

It is an amenable number.

408220908 is an abundant number, since it is smaller than the sum of its proper divisors (544294572).

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

408220908 is a wasteful number, since it uses less digits than its factorization.

408220908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34018416 (or 34018414 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 408220908 is about 20204.4774245710. The cubic root of 408220908 is about 741.8197894732.

The spelling of 408220908 in words is "four hundred eight million, two hundred twenty thousand, nine hundred eight".