2003924 has 24 divisors (see below), whose sum is σ = 3827880. Its totient is φ = 912384.

The previous prime is 2003917. The next prime is 2003927. The reversal of 2003924 is 4293002.

2003924 = T₁₄₂ + T₁₄₃ + ... + T₂₄₅.

It can be written as a sum of positive squares in 4 ways, for example, as 71824 + 1932100 = 268^2 + 1390^2 .

It is a super-2 number, since 2×2003924² = 8031422795552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2003896 and 2003905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003927) 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, 4412 + ... + 4844.

It is an arithmetic number, because the mean of its divisors is an integer number (159495).

2^2003924 is an apocalyptic number.

It is an amenable number.

2003924 is a deficient number, since it is larger than the sum of its proper divisors (1823956).

2003924 is a wasteful number, since it uses less digits than its factorization.

2003924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2003924 is about 1415.6002260525. The cubic root of 2003924 is about 126.0744499960.

Adding to 2003924 its reverse (4293002), we get a palindrome (6296926).

The spelling of 2003924 in words is "two million, three thousand, nine hundred twenty-four".