478442196 has 18 divisors (see below), whose sum is σ = 1209395642. Its totient is φ = 159480720.

The previous prime is 478442191. The next prime is 478442201. The reversal of 478442196 is 691244874.

It is an interprime number because it is at equal distance from previous prime (478442191) and next prime (478442201).

It can be written as a sum of positive squares in only one way, i.e., 352688400 + 125753796 = 18780^2 + 11214^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478442191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6644995 + ... + 6645066.

Almost surely, 2^478442196 is an apocalyptic number.

It is an amenable number.

478442196 is an abundant number, since it is smaller than the sum of its proper divisors (730953446).

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

478442196 is a wasteful number, since it uses less digits than its factorization.

478442196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13290071 (or 13290066 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 478442196 is about 21873.3215584648. The cubic root of 478442196 is about 782.1255829692.

The spelling of 478442196 in words is "four hundred seventy-eight million, four hundred forty-two thousand, one hundred ninety-six".