478446698 has 8 divisors (see below), whose sum is σ = 742417380. Its totient is φ = 230974240.

The previous prime is 478446659. The next prime is 478446701. The reversal of 478446698 is 896644874.

It can be written as a sum of positive squares in 2 ways, for example, as 458259649 + 20187049 = 21407^2 + 4493^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×478446698² = 457822485654206408, which contains 22 as substring.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 4124483 + ... + 4124598.

Almost surely, 2^478446698 is an apocalyptic number.

478446698 is a deficient number, since it is larger than the sum of its proper divisors (263970682).

478446698 is a wasteful number, since it uses less digits than its factorization.

478446698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8249112.

The product of its digits is 9289728, while the sum is 56.

The square root of 478446698 is about 21873.4244689760. The cubic root of 478446698 is about 782.1280361519.

The spelling of 478446698 in words is "four hundred seventy-eight million, four hundred forty-six thousand, six hundred ninety-eight".