477992 has 16 divisors (see below), whose sum is σ = 904500. Its totient is φ = 236800.

The previous prime is 477991. The next prime is 478001. The reversal of 477992 is 299774.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 470596 + 7396 = 686^2 + 86^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 477992.

It is not an unprimeable number, because it can be changed into a prime (477991) 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, 992 + ... + 1392.

2⁴⁷⁷⁹⁹² is an apocalyptic number.

It is an amenable number.

477992 is a deficient number, since it is larger than the sum of its proper divisors (426508).

477992 is a wasteful number, since it uses less digits than its factorization.

477992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556 (or 552 counting only the distinct ones).

The product of its digits is 31752, while the sum is 38.

The square root of 477992 is about 691.3696551050. The cubic root of 477992 is about 78.1880189126.

The spelling of 477992 in words is "four hundred seventy-seven thousand, nine hundred ninety-two".