430478 has 4 divisors (see below), whose sum is σ = 645720. Its totient is φ = 215238.

The previous prime is 430453. The next prime is 430487. The reversal of 430478 is 874034.

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

It is a super-2 number, since 2×430478² = 370622616968, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

430478 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107618 + ... + 107621.

It is an arithmetic number, because the mean of its divisors is an integer number (161430).

2⁴³⁰⁴⁷⁸ is an apocalyptic number.

430478 is a deficient number, since it is larger than the sum of its proper divisors (215242).

430478 is a wasteful number, since it uses less digits than its factorization.

430478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215241.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 430478 is about 656.1082227804. The cubic root of 430478 is about 75.5063807598.

Subtracting 430478 from its reverse (874034), we obtain a square (443556 = 666²).

The spelling of 430478 in words is "four hundred thirty thousand, four hundred seventy-eight".