406403227 has 8 divisors (see below), whose sum is σ = 421292016. Its totient is φ = 391720032.

The previous prime is 406403209. The next prime is 406403237. The reversal of 406403227 is 722304604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 406403227 - 2¹¹ = 406401179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 406403195 and 406403204.

It is not an unprimeable number, because it can be changed into a prime (406403237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47368 + ... + 55285.

It is an arithmetic number, because the mean of its divisors is an integer number (52661502).

Almost surely, 2^406403227 is an apocalyptic number.

406403227 is a deficient number, since it is larger than the sum of its proper divisors (14888789).

406403227 is a wasteful number, since it uses less digits than its factorization.

406403227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102797.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 406403227 is about 20159.4451064507. The cubic root of 406403227 is about 740.7171201431.

The spelling of 406403227 in words is "four hundred six million, four hundred three thousand, two hundred twenty-seven".