478214446 has 4 divisors (see below), whose sum is σ = 717321672. Its totient is φ = 239107222.

The previous prime is 478214423. The next prime is 478214461. The reversal of 478214446 is 644412874.

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

It is a junction number, because it is equal to n+sod(n) for n = 478214399 and 478214408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119553610 + ... + 119553613.

It is an arithmetic number, because the mean of its divisors is an integer number (179330418).

Almost surely, 2^478214446 is an apocalyptic number.

478214446 is a deficient number, since it is larger than the sum of its proper divisors (239107226).

478214446 is a wasteful number, since it uses less digits than its factorization.

478214446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239107225.

The product of its digits is 172032, while the sum is 40.

The square root of 478214446 is about 21868.1148250141. The cubic root of 478214446 is about 782.0014597383.

The spelling of 478214446 in words is "four hundred seventy-eight million, two hundred fourteen thousand, four hundred forty-six".