2003408 has 20 divisors (see below), whose sum is σ = 4234848. Its totient is φ = 910560.

The previous prime is 2003387. The next prime is 2003411. The reversal of 2003408 is 8043002.

It is a super-2 number, since 2×2003408² = 8027287228928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5516 + ... + 5867.

2^2003408 is an apocalyptic number.

It is an amenable number.

2003408 is an abundant number, since it is smaller than the sum of its proper divisors (2231440).

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

2003408 is a wasteful number, since it uses less digits than its factorization.

2003408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11402 (or 11396 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2003408 is about 1415.4179594735. The cubic root of 2003408 is about 126.0636278955.

The spelling of 2003408 in words is "two million, three thousand, four hundred eight".