478526446 has 8 divisors (see below), whose sum is σ = 734482584. Its totient is φ = 233698920.

The previous prime is 478526443. The next prime is 478526471. The reversal of 478526446 is 644625874.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 478526396 and 478526405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478526441) 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, 2782045 + ... + 2782216.

It is an arithmetic number, because the mean of its divisors is an integer number (91810323).

Almost surely, 2^478526446 is an apocalyptic number.

478526446 is a deficient number, since it is larger than the sum of its proper divisors (255956138).

478526446 is a wasteful number, since it uses less digits than its factorization.

478526446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5564306.

The product of its digits is 1290240, while the sum is 46.

The square root of 478526446 is about 21875.2473357446. The cubic root of 478526446 is about 782.1714890463.

The spelling of 478526446 in words is "four hundred seventy-eight million, five hundred twenty-six thousand, four hundred forty-six".