406228203 has 24 divisors (see below), whose sum is σ = 612591616. Its totient is φ = 269001000.

The previous prime is 406228177. The next prime is 406228213. The reversal of 406228203 is 302822604.

It is not a de Polignac number, because 406228203 - 2⁵ = 406228171 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406228213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31158 + ... + 42228.

Almost surely, 2^406228203 is an apocalyptic number.

406228203 is a deficient number, since it is larger than the sum of its proper divisors (206363413).

406228203 is a wasteful number, since it uses less digits than its factorization.

406228203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11237 (or 11225 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 406228203 is about 20155.1036464713. The cubic root of 406228203 is about 740.6107710133.

The spelling of 406228203 in words is "four hundred six million, two hundred twenty-eight thousand, two hundred three".