2938581 has 12 divisors (see below), whose sum is σ = 4335552. Its totient is φ = 1917096.

The previous prime is 2938571. The next prime is 2938589. The reversal of 2938581 is 1858392.

It is not a de Polignac number, because 2938581 - 2⁶ = 2938517 is a prime.

It is a super-2 number, since 2×2938581² = 17270516587122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2938589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3051 + ... + 3896.

It is an arithmetic number, because the mean of its divisors is an integer number (361296).

2^2938581 is an apocalyptic number.

It is an amenable number.

2938581 is a deficient number, since it is larger than the sum of its proper divisors (1396971).

2938581 is a wasteful number, since it uses less digits than its factorization.

2938581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7000 (or 6997 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 2938581 is about 1714.2289812041. The cubic root of 2938581 is about 143.2339236182.

The spelling of 2938581 in words is "two million, nine hundred thirty-eight thousand, five hundred eighty-one".