478603839 has 16 divisors (see below), whose sum is σ = 772201728. Its totient is φ = 257400192.

The previous prime is 478603781. The next prime is 478603859. The reversal of 478603839 is 938306874.

It is not a de Polignac number, because 478603839 - 2¹² = 478599743 is a prime.

It is a super-3 number, since 3×478603839³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478603859) 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 in 15 ways as a sum of consecutive naturals, for example, 669957 + ... + 670670.

It is an arithmetic number, because the mean of its divisors is an integer number (48262608).

Almost surely, 2^478603839 is an apocalyptic number.

478603839 is a deficient number, since it is larger than the sum of its proper divisors (293597889).

478603839 is a wasteful number, since it uses less digits than its factorization.

478603839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340654.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 478603839 is about 21877.0162270818. The cubic root of 478603839 is about 782.2136541383.

The spelling of 478603839 in words is "four hundred seventy-eight million, six hundred three thousand, eight hundred thirty-nine".