406803273 has 4 divisors (see below), whose sum is σ = 542404368. Its totient is φ = 271202180.

The previous prime is 406803269. The next prime is 406803317. The reversal of 406803273 is 372308604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 406803273 - 2² = 406803269 is a prime.

It is not an unprimeable number, because it can be changed into a prime (406803203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67800543 + ... + 67800548.

It is an arithmetic number, because the mean of its divisors is an integer number (135601092).

Almost surely, 2^406803273 is an apocalyptic number.

It is an amenable number.

406803273 is a deficient number, since it is larger than the sum of its proper divisors (135601095).

406803273 is a wasteful number, since it uses less digits than its factorization.

406803273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135601094.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 406803273 is about 20169.3647148342. The cubic root of 406803273 is about 740.9600838845.

The spelling of 406803273 in words is "four hundred six million, eight hundred three thousand, two hundred seventy-three".