478766 has 4 divisors (see below), whose sum is σ = 718152. Its totient is φ = 239382.

The previous prime is 478763. The next prime is 478769. The reversal of 478766 is 667874.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (478763) and next prime (478769).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119690 + ... + 119693.

It is an arithmetic number, because the mean of its divisors is an integer number (179538).

2⁴⁷⁸⁷⁶⁶ is an apocalyptic number.

478766 is a deficient number, since it is larger than the sum of its proper divisors (239386).

478766 is a wasteful number, since it uses less digits than its factorization.

478766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239385.

The product of its digits is 56448, while the sum is 38.

The square root of 478766 is about 691.9291871283. The cubic root of 478766 is about 78.2301987616.

The spelling of 478766 in words is "four hundred seventy-eight thousand, seven hundred sixty-six".