394473282 has 32 divisors (see below), whose sum is σ = 909643392. Its totient is φ = 111707904.

The previous prime is 394473263. The next prime is 394473293. The reversal of 394473282 is 282374493.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 36813 + ... + 46304.

It is an arithmetic number, because the mean of its divisors is an integer number (28426356).

Almost surely, 2^394473282 is an apocalyptic number.

394473282 is an abundant number, since it is smaller than the sum of its proper divisors (515170110).

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

394473282 is a wasteful number, since it uses less digits than its factorization.

394473282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83242.

The product of its digits is 290304, while the sum is 42.

The square root of 394473282 is about 19861.3514645907. The cubic root of 394473282 is about 733.3971159858.

The spelling of 394473282 in words is "three hundred ninety-four million, four hundred seventy-three thousand, two hundred eighty-two".