394422084 has 36 divisors (see below), whose sum is σ = 1139442304. Its totient is φ = 112691952.

The previous prime is 394422071. The next prime is 394422097. The reversal of 394422084 is 480224493.

394422084 is a `hidden beast` number, since 3 + 9 + 442 + 208 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (394422071) and next prime (394422097).

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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, 782332 + ... + 782835.

Almost surely, 2^394422084 is an apocalyptic number.

It is an amenable number.

394422084 is an abundant number, since it is smaller than the sum of its proper divisors (745020220).

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

394422084 is a wasteful number, since it uses less digits than its factorization.

394422084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565184 (or 1565179 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 394422084 is about 19860.0625376659. The cubic root of 394422084 is about 733.3653858350.

The spelling of 394422084 in words is "three hundred ninety-four million, four hundred twenty-two thousand, eighty-four".