2004000394 has 32 divisors (see below), whose sum is σ = 3397427712. Its totient is φ = 878304000.

The previous prime is 2004000379. The next prime is 2004000461. The reversal of 2004000394 is 4930004002.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 186414 + ... + 196870.

It is an arithmetic number, because the mean of its divisors is an integer number (106169616).

Almost surely, 2^2004000394 is an apocalyptic number.

2004000394 is a deficient number, since it is larger than the sum of its proper divisors (1393427318).

2004000394 is a wasteful number, since it uses less digits than its factorization.

2004000394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10782.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2004000394 is about 44766.0629718540. The cubic root of 2004000394 is about 1260.7605205426.

Adding to 2004000394 its reverse (4930004002), we get a palindrome (6934004396).

The spelling of 2004000394 in words is "two billion, four million, three hundred ninety-four", and thus it is an aban number.