478336738 has 16 divisors (see below), whose sum is σ = 790335936. Its totient is φ = 215313840.

The previous prime is 478336717. The next prime is 478336739. The reversal of 478336738 is 837633874.

It is a junction number, because it is equal to n+sod(n) for n = 478336691 and 478336700.

It is not an unprimeable number, because it can be changed into a prime (478336739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103281 + ... + 107812.

It is an arithmetic number, because the mean of its divisors is an integer number (49395996).

Almost surely, 2^478336738 is an apocalyptic number.

478336738 is a deficient number, since it is larger than the sum of its proper divisors (311999198).

478336738 is a wasteful number, since it uses less digits than its factorization.

478336738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211209.

The product of its digits is 2032128, while the sum is 49.

The square root of 478336738 is about 21870.9107720735. The cubic root of 478336738 is about 782.0681134976.

The spelling of 478336738 in words is "four hundred seventy-eight million, three hundred thirty-six thousand, seven hundred thirty-eight".