478326438 has 32 divisors (see below), whose sum is σ = 1073280000. Its totient is φ = 157892328.

The previous prime is 478326421. The next prime is 478326449. The reversal of 478326438 is 834623874.

It is a junction number, because it is equal to n+sod(n) for n = 478326393 and 478326402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37438 + ... + 48561.

It is an arithmetic number, because the mean of its divisors is an integer number (33540000).

Almost surely, 2^478326438 is an apocalyptic number.

478326438 is an abundant number, since it is smaller than the sum of its proper divisors (594953562).

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

478326438 is a wasteful number, since it uses less digits than its factorization.

478326438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86113 (or 86107 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 478326438 is about 21870.6752982161. The cubic root of 478326438 is about 782.0625000467.

The spelling of 478326438 in words is "four hundred seventy-eight million, three hundred twenty-six thousand, four hundred thirty-eight".