2621941 has 12 divisors (see below), whose sum is σ = 3096012. Its totient is φ = 2213568.

The previous prime is 2621933. The next prime is 2621947. The reversal of 2621941 is 1491262.

It can be written as a sum of positive squares in 2 ways, for example, as 2160900 + 461041 = 1470^2 + 679^2 .

It is not a de Polignac number, because 2621941 - 2³ = 2621933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2621947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3211 + ... + 3943.

It is an arithmetic number, because the mean of its divisors is an integer number (258001).

2^2621941 is an apocalyptic number.

It is an amenable number.

2621941 is a deficient number, since it is larger than the sum of its proper divisors (474071).

2621941 is an equidigital number, since it uses as much as digits as its factorization.

2621941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820 (or 813 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 2621941 is about 1619.2408715197. The cubic root of 2621941 is about 137.8926035525.

The spelling of 2621941 in words is "two million, six hundred twenty-one thousand, nine hundred forty-one".