2940841 has 4 divisors (see below), whose sum is σ = 2951172. Its totient is φ = 2930512.

The previous prime is 2940799. The next prime is 2940853. The reversal of 2940841 is 1480492.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2019241 + 921600 = 1421^2 + 960^2 .

It is a cyclic number.

It is not a de Polignac number, because 2940841 - 2¹⁷ = 2809769 is a prime.

It is a Duffinian number.

2940841 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2944841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4726 + ... + 5311.

It is an arithmetic number, because the mean of its divisors is an integer number (737793).

2^2940841 is an apocalyptic number.

It is an amenable number.

2940841 is a deficient number, since it is larger than the sum of its proper divisors (10331).

2940841 is a wasteful number, since it uses less digits than its factorization.

2940841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10330.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2940841 is about 1714.8880429929. Note that the first 3 decimals coincide. The cubic root of 2940841 is about 143.2706335946.

The spelling of 2940841 in words is "two million, nine hundred forty thousand, eight hundred forty-one".