2003209404 has 24 divisors (see below), whose sum is σ = 5341891968. Its totient is φ = 572345520.

The previous prime is 2003209391. The next prime is 2003209441. The reversal of 2003209404 is 4049023002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11923782 + ... + 11923949.

It is an arithmetic number, because the mean of its divisors is an integer number (222578832).

Almost surely, 2^2003209404 is an apocalyptic number.

It is an amenable number.

2003209404 is an abundant number, since it is smaller than the sum of its proper divisors (3338682564).

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

2003209404 is a wasteful number, since it uses less digits than its factorization.

2003209404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23847745 (or 23847743 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2003209404 is about 44757.2273940198. The cubic root of 2003209404 is about 1260.5946223384.

The spelling of 2003209404 in words is "two billion, three million, two hundred nine thousand, four hundred four".