2003939544 has 16 divisors (see below), whose sum is σ = 5009848920. Its totient is φ = 667979840.

The previous prime is 2003939521. The next prime is 2003939599. The reversal of 2003939544 is 4459393002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41748717 + ... + 41748764.

Almost surely, 2^2003939544 is an apocalyptic number.

2003939544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2003939544 is an abundant number, since it is smaller than the sum of its proper divisors (3005909376).

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

2003939544 is a wasteful number, since it uses less digits than its factorization.

2003939544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83497490 (or 83497486 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 2003939544 is about 44765.3833223843. The cubic root of 2003939544 is about 1260.7477597244.

The spelling of 2003939544 in words is "two billion, three million, nine hundred thirty-nine thousand, five hundred forty-four".