476409993 has 8 divisors (see below), whose sum is σ = 635320800. Its totient is φ = 317552928.

The previous prime is 476409979. The next prime is 476410003. The reversal of 476409993 is 399904674.

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

It is not a de Polignac number, because 476409993 - 2⁴ = 476409977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (476409793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17293 + ... + 35381.

It is an arithmetic number, because the mean of its divisors is an integer number (79415100).

Almost surely, 2^476409993 is an apocalyptic number.

It is an amenable number.

476409993 is a deficient number, since it is larger than the sum of its proper divisors (158910807).

476409993 is a wasteful number, since it uses less digits than its factorization.

476409993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26871.

The product of its (nonzero) digits is 1469664, while the sum is 51.

The square root of 476409993 is about 21826.8182060510. The cubic root of 476409993 is about 781.0166411465.

The spelling of 476409993 in words is "four hundred seventy-six million, four hundred nine thousand, nine hundred ninety-three".