477631 has 8 divisors (see below), whose sum is σ = 595584. Its totient is φ = 372120.

The previous prime is 477623. The next prime is 477637. The reversal of 477631 is 136774.

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

It is not a de Polignac number, because 477631 - 2³ = 477623 is a prime.

It is a super-2 number, since 2×477631² = 456262744322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 477631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477637) 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 7 ways as a sum of consecutive naturals, for example, 3025 + ... + 3178.

It is an arithmetic number, because the mean of its divisors is an integer number (74448).

2⁴⁷⁷⁶³¹ is an apocalyptic number.

477631 is a deficient number, since it is larger than the sum of its proper divisors (117953).

477631 is a wasteful number, since it uses less digits than its factorization.

477631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6221.

The product of its digits is 3528, while the sum is 28.

The square root of 477631 is about 691.1085298273. The cubic root of 477631 is about 78.1683303100.

The spelling of 477631 in words is "four hundred seventy-seven thousand, six hundred thirty-one".