2003994398 has 16 divisors (see below), whose sum is σ = 3440465280. Its totient is φ = 857593176.

The previous prime is 2003994397. The next prime is 2003994401. The reversal of 2003994398 is 8934993002.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003994397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95228 + ... + 114351.

It is an arithmetic number, because the mean of its divisors is an integer number (215029080).

Almost surely, 2^2003994398 is an apocalyptic number.

2003994398 is a deficient number, since it is larger than the sum of its proper divisors (1436470882).

2003994398 is a wasteful number, since it uses less digits than its factorization.

2003994398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210271.

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 2003994398 is about 44765.9960014295. The cubic root of 2003994398 is about 1260.7592631364.

The spelling of 2003994398 in words is "two billion, three million, nine hundred ninety-four thousand, three hundred ninety-eight".