406321228 has 12 divisors (see below), whose sum is σ = 712265400. Its totient is φ = 202816832.

The previous prime is 406321217. The next prime is 406321241. The reversal of 406321228 is 822123604.

It is a super-3 number, since 3×406321228³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 406321196 and 406321205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83278 + ... + 88021.

It is an arithmetic number, because the mean of its divisors is an integer number (59355450).

Almost surely, 2^406321228 is an apocalyptic number.

It is an amenable number.

406321228 is a deficient number, since it is larger than the sum of its proper divisors (305944172).

406321228 is a wasteful number, since it uses less digits than its factorization.

406321228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171896 (or 171894 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 406321228 is about 20157.4112425182. The cubic root of 406321228 is about 740.6672992226.

The spelling of 406321228 in words is "four hundred six million, three hundred twenty-one thousand, two hundred twenty-eight".