478206046 has 4 divisors (see below), whose sum is σ = 717309072. Its totient is φ = 239103022.

The previous prime is 478206037. The next prime is 478206049. The reversal of 478206046 is 640602874.

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

It is a junction number, because it is equal to n+sod(n) for n = 478205996 and 478206014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478206049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119551510 + ... + 119551513.

It is an arithmetic number, because the mean of its divisors is an integer number (179327268).

Almost surely, 2^478206046 is an apocalyptic number.

478206046 is a deficient number, since it is larger than the sum of its proper divisors (239103026).

478206046 is a wasteful number, since it uses less digits than its factorization.

478206046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239103025.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 478206046 is about 21867.9227637195. The cubic root of 478206046 is about 781.9968810039.

The spelling of 478206046 in words is "four hundred seventy-eight million, two hundred six thousand, forty-six".