478466 has 4 divisors (see below), whose sum is σ = 717702. Its totient is φ = 239232.

The previous prime is 478459. The next prime is 478481. The reversal of 478466 is 664874.

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

It can be written as a sum of positive squares in only one way, i.e., 271441 + 207025 = 521^2 + 455^2 .

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119615 + ... + 119618.

2⁴⁷⁸⁴⁶⁶ is an apocalyptic number.

478466 is a deficient number, since it is larger than the sum of its proper divisors (239236).

478466 is a wasteful number, since it uses less digits than its factorization.

478466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239235.

The product of its digits is 32256, while the sum is 35.

The square root of 478466 is about 691.7123679681. The cubic root of 478466 is about 78.2138553821.

The spelling of 478466 in words is "four hundred seventy-eight thousand, four hundred sixty-six".