477431 has 4 divisors (see below), whose sum is σ = 492864. Its totient is φ = 462000.

The previous prime is 477409. The next prime is 477439. The reversal of 477431 is 134774.

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 477431 - 2¹⁰ = 476407 is a prime.

It is a super-2 number, since 2×477431² = 455880719522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 477431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7670 + ... + 7731.

It is an arithmetic number, because the mean of its divisors is an integer number (123216).

2⁴⁷⁷⁴³¹ is an apocalyptic number.

477431 is a deficient number, since it is larger than the sum of its proper divisors (15433).

477431 is a wasteful number, since it uses less digits than its factorization.

477431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15432.

The product of its digits is 2352, while the sum is 26.

The square root of 477431 is about 690.9638196027. The cubic root of 477431 is about 78.1574182261.

The spelling of 477431 in words is "four hundred seventy-seven thousand, four hundred thirty-one".