478147746 has 16 divisors (see below), whose sum is σ = 1012548384. Its totient is φ = 150007104.

The previous prime is 478147697. The next prime is 478147771. The reversal of 478147746 is 647741874.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 478147695 and 478147704.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2343760 + ... + 2343963.

It is an arithmetic number, because the mean of its divisors is an integer number (63284274).

Almost surely, 2^478147746 is an apocalyptic number.

478147746 is an abundant number, since it is smaller than the sum of its proper divisors (534400638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478147746 is a wasteful number, since it uses less digits than its factorization.

478147746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4687745.

The product of its digits is 1053696, while the sum is 48.

The square root of 478147746 is about 21866.5897203931. The cubic root of 478147746 is about 781.9651009297.

The spelling of 478147746 in words is "four hundred seventy-eight million, one hundred forty-seven thousand, seven hundred forty-six".