2096621 has 2 divisors, whose sum is σ = 2096622. Its totient is φ = 2096620.

The previous prime is 2096599. The next prime is 2096629. The reversal of 2096621 is 1266902.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1240996 + 855625 = 1114^2 + 925^2 .

It is a cyclic number.

It is not a de Polignac number, because 2096621 - 2¹⁴ = 2080237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2096629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048310 + 1048311.

It is an arithmetic number, because the mean of its divisors is an integer number (1048311).

2^2096621 is an apocalyptic number.

It is an amenable number.

2096621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2096621 is an equidigital number, since it uses as much as digits as its factorization.

2096621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2096621 is about 1447.9713394954. The cubic root of 2096621 is about 127.9891958654.

The spelling of 2096621 in words is "two million, ninety-six thousand, six hundred twenty-one".