478873408 has 56 divisors (see below), whose sum is σ = 1083591432. Its totient is φ = 208011264.

The previous prime is 478873403. The next prime is 478873427. The reversal of 478873408 is 804378874.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 214095424 + 264777984 = 14632^2 + 16272^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478873403) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2785 + ... + 31072.

It is an arithmetic number, because the mean of its divisors is an integer number (19349847).

Almost surely, 2^478873408 is an apocalyptic number.

It is an amenable number.

478873408 is an abundant number, since it is smaller than the sum of its proper divisors (604718024).

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

478873408 is a wasteful number, since it uses less digits than its factorization.

478873408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33899 (or 33889 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 49.

The square root of 478873408 is about 21883.1763690740. The cubic root of 478873408 is about 782.3604846756.

The spelling of 478873408 in words is "four hundred seventy-eight million, eight hundred seventy-three thousand, four hundred eight".