477903 has 8 divisors (see below), whose sum is σ = 640816. Its totient is φ = 316800.

The previous prime is 477899. The next prime is 477913. The reversal of 477903 is 309774.

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

It is not a de Polignac number, because 477903 - 2² = 477899 is a prime.

It is a Duffinian number.

477903 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477913) 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, 393 + ... + 1053.

It is an arithmetic number, because the mean of its divisors is an integer number (80102).

2⁴⁷⁷⁹⁰³ is an apocalyptic number.

477903 is a deficient number, since it is larger than the sum of its proper divisors (162913).

477903 is a wasteful number, since it uses less digits than its factorization.

477903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 477903 is about 691.3052871200. The cubic root of 477903 is about 78.1831658568.

The spelling of 477903 in words is "four hundred seventy-seven thousand, nine hundred three".