478541746 has 4 divisors (see below), whose sum is σ = 717812622. Its totient is φ = 239270872.

The previous prime is 478541741. The next prime is 478541747. The reversal of 478541746 is 647145874.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 273737025 + 204804721 = 16545^2 + 14311^2 .

It is a junction number, because it is equal to n+sod(n) for n = 478541696 and 478541705.

It is not an unprimeable number, because it can be changed into a prime (478541741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119635435 + ... + 119635438.

Almost surely, 2^478541746 is an apocalyptic number.

478541746 is a deficient number, since it is larger than the sum of its proper divisors (239270876).

478541746 is a wasteful number, since it uses less digits than its factorization.

478541746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239270875.

The product of its digits is 752640, while the sum is 46.

The square root of 478541746 is about 21875.5970432809. The cubic root of 478541746 is about 782.1798251207.

The spelling of 478541746 in words is "four hundred seventy-eight million, five hundred forty-one thousand, seven hundred forty-six".