478172094 has 32 divisors (see below), whose sum is σ = 981517824. Its totient is φ = 155209920.

The previous prime is 478172087. The next prime is 478172111. The reversal of 478172094 is 490271874.

It is a happy number.

It is a congruent number.

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, 156667 + ... + 159689.

It is an arithmetic number, because the mean of its divisors is an integer number (30672432).

Almost surely, 2^478172094 is an apocalyptic number.

478172094 is an abundant number, since it is smaller than the sum of its proper divisors (503345730).

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

478172094 is a wasteful number, since it uses less digits than its factorization.

478172094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 478172094 is about 21867.1464530697. The cubic root of 478172094 is about 781.9783736494.

The spelling of 478172094 in words is "four hundred seventy-eight million, one hundred seventy-two thousand, ninety-four".