476923921 has 8 divisors (see below), whose sum is σ = 502999200. Its totient is φ = 450946080.

The previous prime is 476923903. The next prime is 476923927. The reversal of 476923921 is 129329674.

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

It is a cyclic number.

It is not a de Polignac number, because 476923921 - 2⁹ = 476923409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (476923927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14191 + ... + 33988.

It is an arithmetic number, because the mean of its divisors is an integer number (62874900).

Almost surely, 2^476923921 is an apocalyptic number.

It is an amenable number.

476923921 is a deficient number, since it is larger than the sum of its proper divisors (26075279).

476923921 is a wasteful number, since it uses less digits than its factorization.

476923921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48719.

The product of its digits is 163296, while the sum is 43.

The square root of 476923921 is about 21838.5878893302. The cubic root of 476923921 is about 781.2973811818.

The spelling of 476923921 in words is "four hundred seventy-six million, nine hundred twenty-three thousand, nine hundred twenty-one".