477942 has 8 divisors (see below), whose sum is σ = 955896. Its totient is φ = 159312.

The previous prime is 477941. The next prime is 477947. The reversal of 477942 is 249774.

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

477942 is an admirable number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39823 + ... + 39834.

It is an arithmetic number, because the mean of its divisors is an integer number (119487).

2⁴⁷⁷⁹⁴² is an apocalyptic number.

477942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

477942 is a wasteful number, since it uses less digits than its factorization.

477942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79662.

The product of its digits is 14112, while the sum is 33.

The square root of 477942 is about 691.3334940533. Note that the first 3 decimals coincide. The cubic root of 477942 is about 78.1852925509.

The spelling of 477942 in words is "four hundred seventy-seven thousand, nine hundred forty-two".