478055946 has 32 divisors (see below), whose sum is σ = 1013368320. Its totient is φ = 149828096.

The previous prime is 478055911. The next prime is 478055951. The reversal of 478055946 is 649550874.

It is a junction number, because it is equal to n+sod(n) for n = 478055895 and 478055904.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145150 + ... + 148406.

It is an arithmetic number, because the mean of its divisors is an integer number (31667760).

Almost surely, 2^478055946 is an apocalyptic number.

478055946 is an abundant number, since it is smaller than the sum of its proper divisors (535312374).

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

478055946 is a wasteful number, since it uses less digits than its factorization.

478055946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4718.

The product of its (nonzero) digits is 1209600, while the sum is 48.

The square root of 478055946 is about 21864.4905268794. The cubic root of 478055946 is about 781.9150543410.

It can be divided in two parts, 4780 and 55946, that added together give a triangular number (60726 = T₃₄₈).

The spelling of 478055946 in words is "four hundred seventy-eight million, fifty-five thousand, nine hundred forty-six".