2004981 has 8 divisors (see below), whose sum is σ = 2916384. Its totient is φ = 1215120.

The previous prime is 2004953. The next prime is 2004983. The reversal of 2004981 is 1894002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2004981 - 2⁶ = 2004917 is a prime.

It is a super-2 number, since 2×2004981² = 8039897620722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004983) 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, 30346 + ... + 30411.

It is an arithmetic number, because the mean of its divisors is an integer number (364548).

2^2004981 is an apocalyptic number.

It is an amenable number.

2004981 is a deficient number, since it is larger than the sum of its proper divisors (911403).

2004981 is a wasteful number, since it uses less digits than its factorization.

2004981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60771.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2004981 is about 1415.9735167015. The cubic root of 2004981 is about 126.0966127244.

Adding to 2004981 its reverse (1894002), we get a palindrome (3898983).

The spelling of 2004981 in words is "two million, four thousand, nine hundred eighty-one".