332421808 has 40 divisors (see below), whose sum is σ = 683674992. Its totient is φ = 156039168.

The previous prime is 332421797. The next prime is 332421821. The reversal of 332421808 is 808124233.

It is a super-2 number, since 2×332421808² = 221008516867977728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 332421808.

It is an unprimeable number.

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, 125716 + ... + 128332.

Almost surely, 2^332421808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 332421808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341837496).

332421808 is an abundant number, since it is smaller than the sum of its proper divisors (351253184).

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

332421808 is a wasteful number, since it uses less digits than its factorization.

332421808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3109 (or 3103 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 332421808 is about 18232.4383448841. The cubic root of 332421808 is about 692.7286810082.

The spelling of 332421808 in words is "three hundred thirty-two million, four hundred twenty-one thousand, eight hundred eight".