2000003994 has 32 divisors (see below), whose sum is σ = 4564578240. Its totient is φ = 648649296.

The previous prime is 2000003983. The next prime is 2000004023. The reversal of 2000003994 is 4993000002.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 498504 + ... + 502499.

It is an arithmetic number, because the mean of its divisors is an integer number (142643070).

Almost surely, 2^2000003994 is an apocalyptic number.

2000003994 is an abundant number, since it is smaller than the sum of its proper divisors (2564574246).

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

2000003994 is a wasteful number, since it uses less digits than its factorization.

2000003994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001051 (or 1001045 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 2000003994 is about 44721.4042042510. The cubic root of 2000003994 is about 1259.9218885818.

Adding to 2000003994 its reverse (4993000002), we get a palindrome (6993003996).

The spelling of 2000003994 in words is "two billion, three thousand, nine hundred ninety-four".