478481398 has 8 divisors (see below), whose sum is σ = 735227640. Its totient is φ = 233405520.

The previous prime is 478481387. The next prime is 478481407. The reversal of 478481398 is 893184874.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2917488 + ... + 2917651.

It is an arithmetic number, because the mean of its divisors is an integer number (91903455).

Almost surely, 2^478481398 is an apocalyptic number.

478481398 is a deficient number, since it is larger than the sum of its proper divisors (256746242).

478481398 is a wasteful number, since it uses less digits than its factorization.

478481398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5835182.

The product of its digits is 1548288, while the sum is 52.

The square root of 478481398 is about 21874.2176545814. The cubic root of 478481398 is about 782.1469439961.

The spelling of 478481398 in words is "four hundred seventy-eight million, four hundred eighty-one thousand, three hundred ninety-eight".