2961841 has 3 divisors (see below), whose sum is σ = 2963563. Its totient is φ = 2960120.

The previous prime is 2961839. The next prime is 2961851. The reversal of 2961841 is 1481692.

It is a happy number.

The square root of 2961841 is 1721.

It is a perfect power (a square), and thus also a powerful number.

2961841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 2187441 + 774400 = 1479^2 + 880^2 .

It is not a de Polignac number, because 2961841 - 2¹ = 2961839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2961821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 861 + ... + 2581.

2^2961841 is an apocalyptic number.

2961841 is the 1721-st square number.

2961841 is the 861-st centered octagonal number.

It is an amenable number.

2961841 is a deficient number, since it is larger than the sum of its proper divisors (1722).

2961841 is an frugal number, since it uses more digits than its factorization.

2961841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3442 (or 1721 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The cubic root of 2961841 is about 143.6108480773.

The spelling of 2961841 in words is "two million, nine hundred sixty-one thousand, eight hundred forty-one".