478565398 has 16 divisors (see below), whose sum is σ = 728672256. Its totient is φ = 235699560.

The previous prime is 478565291. The next prime is 478565411. The reversal of 478565398 is 893565874.

It is a super-3 number, since 3×478565398³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33265 + ... + 45427.

It is an arithmetic number, because the mean of its divisors is an integer number (45542016).

Almost surely, 2^478565398 is an apocalyptic number.

478565398 is a deficient number, since it is larger than the sum of its proper divisors (250106858).

478565398 is a wasteful number, since it uses less digits than its factorization.

478565398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12459.

The product of its digits is 7257600, while the sum is 55.

The square root of 478565398 is about 21876.1376389892. The cubic root of 478565398 is about 782.1927113615.

The spelling of 478565398 in words is "four hundred seventy-eight million, five hundred sixty-five thousand, three hundred ninety-eight".