478643582 has 8 divisors (see below), whose sum is σ = 733241376. Its totient is φ = 234229792.

The previous prime is 478643563. The next prime is 478643587. The reversal of 478643582 is 285346874.

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

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478643587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2545883 + ... + 2546070.

It is an arithmetic number, because the mean of its divisors is an integer number (91655172).

Almost surely, 2^478643582 is an apocalyptic number.

478643582 is a deficient number, since it is larger than the sum of its proper divisors (254597794).

478643582 is a wasteful number, since it uses less digits than its factorization.

478643582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5092002.

The product of its digits is 1290240, while the sum is 47.

The square root of 478643582 is about 21877.9245359335. The cubic root of 478643582 is about 782.2353050698.

The spelling of 478643582 in words is "four hundred seventy-eight million, six hundred forty-three thousand, five hundred eighty-two".