403323828 has 36 divisors (see below), whose sum is σ = 967250592. Its totient is φ = 130802400.

The previous prime is 403323803. The next prime is 403323859. The reversal of 403323828 is 828323304.

It is a super-2 number, since 2×403323828² = 325340220465147168, which contains 22 as substring.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 4153 + ... + 28703.

It is an arithmetic number, because the mean of its divisors is an integer number (26868072).

Almost surely, 2^403323828 is an apocalyptic number.

It is an amenable number.

403323828 is an abundant number, since it is smaller than the sum of its proper divisors (563926764).

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

403323828 is a wasteful number, since it uses less digits than its factorization.

403323828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24632 (or 24593 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 403323828 is about 20082.9237911217. The cubic root of 403323828 is about 738.8415206657.

The spelling of 403323828 in words is "four hundred three million, three hundred twenty-three thousand, eight hundred twenty-eight".