406281228 has 24 divisors (see below), whose sum is σ = 963532080. Its totient is φ = 133206720.

The previous prime is 406281221. The next prime is 406281251. The reversal of 406281228 is 822182604.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (406281221) by changing a digit.

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, 276783 + ... + 278246.

It is an arithmetic number, because the mean of its divisors is an integer number (40147170).

Almost surely, 2^406281228 is an apocalyptic number.

It is an amenable number.

406281228 is an abundant number, since it is smaller than the sum of its proper divisors (557250852).

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

406281228 is a wasteful number, since it uses less digits than its factorization.

406281228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555097 (or 555095 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 406281228 is about 20156.4190271983. The cubic root of 406281228 is about 740.6429936058.

The spelling of 406281228 in words is "four hundred six million, two hundred eighty-one thousand, two hundred twenty-eight".