478484246 has 4 divisors (see below), whose sum is σ = 717726372. Its totient is φ = 239242122.

The previous prime is 478484233. The next prime is 478484257. The reversal of 478484246 is 642484874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 642484874 = 2 ⋅321242437.

It is a self number, because there is not a number n which added to its sum of digits gives 478484246.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119621060 + ... + 119621063.

It is an arithmetic number, because the mean of its divisors is an integer number (179431593).

Almost surely, 2^478484246 is an apocalyptic number.

478484246 is a deficient number, since it is larger than the sum of its proper divisors (239242126).

478484246 is a wasteful number, since it uses less digits than its factorization.

478484246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239242125.

The product of its digits is 1376256, while the sum is 47.

The square root of 478484246 is about 21874.2827539556. The cubic root of 478484246 is about 782.1484958154.

The spelling of 478484246 in words is "four hundred seventy-eight million, four hundred eighty-four thousand, two hundred forty-six".