408861228 has 24 divisors (see below), whose sum is σ = 1004221120. Its totient is φ = 129114000.

The previous prime is 408861217. The next prime is 408861253. The reversal of 408861228 is 822168804.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 896398 + ... + 896853.

Almost surely, 2^408861228 is an apocalyptic number.

It is an amenable number.

408861228 is an abundant number, since it is smaller than the sum of its proper divisors (595359892).

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

408861228 is a wasteful number, since it uses less digits than its factorization.

408861228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793277 (or 1793275 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 39.

The square root of 408861228 is about 20220.3172081943. The cubic root of 408861228 is about 742.2074504167.

The spelling of 408861228 in words is "four hundred eight million, eight hundred sixty-one thousand, two hundred twenty-eight".