478003212 has 36 divisors (see below), whose sum is σ = 1279363176. Its totient is φ = 149961600.

The previous prime is 478003177. The next prime is 478003213. The reversal of 478003212 is 212300874.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (478003213) 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 11 ways as a sum of consecutive naturals, for example, 389914 + ... + 391137.

It is an arithmetic number, because the mean of its divisors is an integer number (35537866).

Almost surely, 2^478003212 is an apocalyptic number.

It is an amenable number.

478003212 is an abundant number, since it is smaller than the sum of its proper divisors (801359964).

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

478003212 is a wasteful number, since it uses less digits than its factorization.

478003212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781078 (or 781073 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 478003212 is about 21863.2845656823. The cubic root of 478003212 is about 781.8863024588.

The spelling of 478003212 in words is "four hundred seventy-eight million, three thousand, two hundred twelve".