394321896 has 48 divisors (see below), whose sum is σ = 1124167200. Its totient is φ = 124522272.

The previous prime is 394321871. The next prime is 394321897. The reversal of 394321896 is 698123493.

It is a happy number.

394321896 is a `hidden beast` number, since 39 + 432 + 189 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (394321897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142756 + ... + 145491.

It is an arithmetic number, because the mean of its divisors is an integer number (23420150).

Almost surely, 2^394321896 is an apocalyptic number.

394321896 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

394321896 is an abundant number, since it is smaller than the sum of its proper divisors (729845304).

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

394321896 is a wasteful number, since it uses less digits than its factorization.

394321896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288278 (or 288271 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 394321896 is about 19857.5400289160. The cubic root of 394321896 is about 733.3032860049.

It can be divided in two parts, 39432 and 1896, that added together give a triangular number (41328 = T₂₈₇).

The spelling of 394321896 in words is "three hundred ninety-four million, three hundred twenty-one thousand, eight hundred ninety-six".