478565396 has 12 divisors (see below), whose sum is σ = 844901652. Its totient is φ = 237164928.

The previous prime is 478565291. The next prime is 478565411. The reversal of 478565396 is 693565874.

It can be written as a sum of positive squares in 2 ways, for example, as 82555396 + 396010000 = 9086^2 + 19900^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528935 + ... + 529838.

It is an arithmetic number, because the mean of its divisors is an integer number (70408471).

Almost surely, 2^478565396 is an apocalyptic number.

It is an amenable number.

478565396 is a deficient number, since it is larger than the sum of its proper divisors (366336256).

478565396 is a wasteful number, since it uses less digits than its factorization.

478565396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058890 (or 1058888 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 53.

The square root of 478565396 is about 21876.1375932773. The cubic root of 478565396 is about 782.1927102719.

The spelling of 478565396 in words is "four hundred seventy-eight million, five hundred sixty-five thousand, three hundred ninety-six".