2941921 has 2 divisors, whose sum is σ = 2941922. Its totient is φ = 2941920.

The previous prime is 2941891. The next prime is 2941927. The reversal of 2941921 is 1291492.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2927521 + 14400 = 1711^2 + 120^2 .

It is a cyclic number.

It is not a de Polignac number, because 2941921 - 2⁵ = 2941889 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2941921.

It is not a weakly prime, because it can be changed into another prime (2941927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1470960 + 1470961.

It is an arithmetic number, because the mean of its divisors is an integer number (1470961).

2^2941921 is an apocalyptic number.

It is an amenable number.

2941921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2941921 is an equidigital number, since it uses as much as digits as its factorization.

2941921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 28.

The square root of 2941921 is about 1715.2029034490. The cubic root of 2941921 is about 143.2881697741.

The spelling of 2941921 in words is "two million, nine hundred forty-one thousand, nine hundred twenty-one".