477943 has 4 divisors (see below), whose sum is σ = 488160. Its totient is φ = 467728.

The previous prime is 477941. The next prime is 477947. The reversal of 477943 is 349774.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 477943 - 2¹ = 477941 is a prime.

It is a super-2 number, since 2×477943² = 456859022498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 477899 and 477908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477941) 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 3 ways as a sum of consecutive naturals, for example, 5038 + ... + 5131.

It is an arithmetic number, because the mean of its divisors is an integer number (122040).

2⁴⁷⁷⁹⁴³ is an apocalyptic number.

477943 is a deficient number, since it is larger than the sum of its proper divisors (10217).

477943 is a wasteful number, since it uses less digits than its factorization.

477943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10216.

The product of its digits is 21168, while the sum is 34.

The square root of 477943 is about 691.3342172929. The cubic root of 477943 is about 78.1853470800.

It can be divided in two parts, 47 and 7943, that multiplied together give a square (373321 = 611²).

The spelling of 477943 in words is "four hundred seventy-seven thousand, nine hundred forty-three".