394732008 has 128 divisors (see below), whose sum is σ = 1206921600. Its totient is φ = 119528640.

The previous prime is 394731983. The next prime is 394732043. The reversal of 394732008 is 800237493.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286810 + ... + 288182.

It is an arithmetic number, because the mean of its divisors is an integer number (9429075).

Almost surely, 2^394732008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394732008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (603460800).

394732008 is an abundant number, since it is smaller than the sum of its proper divisors (812189592).

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

394732008 is a wasteful number, since it uses less digits than its factorization.

394732008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421 (or 1389 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 394732008 is about 19867.8636999553. The cubic root of 394732008 is about 733.5574204069.

The spelling of 394732008 in words is "three hundred ninety-four million, seven hundred thirty-two thousand, eight".