406047745 has 8 divisors (see below), whose sum is σ = 487575360. Its totient is φ = 324626160.

The previous prime is 406047743. The next prime is 406047751. The reversal of 406047745 is 547740604.

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

It is not a de Polignac number, because 406047745 - 2¹ = 406047743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (406047743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17821 + ... + 33610.

It is an arithmetic number, because the mean of its divisors is an integer number (60946920).

Almost surely, 2^406047745 is an apocalyptic number.

It is an amenable number.

406047745 is a deficient number, since it is larger than the sum of its proper divisors (81527615).

406047745 is a wasteful number, since it uses less digits than its factorization.

406047745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53015.

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 406047745 is about 20150.6264170621. The cubic root of 406047745 is about 740.5010880546.

The spelling of 406047745 in words is "four hundred six million, forty-seven thousand, seven hundred forty-five".