406454673 has 4 divisors (see below), whose sum is σ = 541939568. Its totient is φ = 270969780.

The previous prime is 406454663. The next prime is 406454693. The reversal of 406454673 is 376454604.

It is a happy number.

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 de Polignac number, because none of the positive numbers 2^k-406454673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406454663) 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, 67742443 + ... + 67742448.

It is an arithmetic number, because the mean of its divisors is an integer number (135484892).

Almost surely, 2^406454673 is an apocalyptic number.

It is an amenable number.

406454673 is a deficient number, since it is larger than the sum of its proper divisors (135484895).

406454673 is a wasteful number, since it uses less digits than its factorization.

406454673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135484894.

The product of its (nonzero) digits is 241920, while the sum is 39.

The square root of 406454673 is about 20160.7210436532. The cubic root of 406454673 is about 740.7483742627.

The spelling of 406454673 in words is "four hundred six million, four hundred fifty-four thousand, six hundred seventy-three".