477918 has 24 divisors (see below), whose sum is σ = 1183728. Its totient is φ = 136512.

The previous prime is 477913. The next prime is 477941. The reversal of 477918 is 819774.

It is a super-2 number, since 2×477918² = 456811229448, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 477918.

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 11 ways as a sum of consecutive naturals, for example, 1771 + ... + 2022.

It is an arithmetic number, because the mean of its divisors is an integer number (49322).

2⁴⁷⁷⁹¹⁸ is an apocalyptic number.

477918 is an abundant number, since it is smaller than the sum of its proper divisors (705810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

477918 is a wasteful number, since it uses less digits than its factorization.

477918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808 (or 3805 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 477918 is about 691.3161360767. The cubic root of 477918 is about 78.1839838297.

The spelling of 477918 in words is "four hundred seventy-seven thousand, nine hundred eighteen".