476924991 has 8 divisors (see below), whose sum is σ = 637822464. Its totient is φ = 316988760.

The previous prime is 476924977. The next prime is 476924999. The reversal of 476924991 is 199429674.

It is a happy number.

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

It is not a de Polignac number, because 476924991 - 2⁶ = 476924927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (476924999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239151 + ... + 241136.

It is an arithmetic number, because the mean of its divisors is an integer number (79727808).

Almost surely, 2^476924991 is an apocalyptic number.

476924991 is a deficient number, since it is larger than the sum of its proper divisors (160897473).

476924991 is a wasteful number, since it uses less digits than its factorization.

476924991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480621.

The product of its digits is 979776, while the sum is 51.

The square root of 476924991 is about 21838.6123872374. The cubic root of 476924991 is about 781.2979654732.

The spelling of 476924991 in words is "four hundred seventy-six million, nine hundred twenty-four thousand, nine hundred ninety-one".