2940761 has 2 divisors, whose sum is σ = 2940762. Its totient is φ = 2940760.

The previous prime is 2940733. The next prime is 2940781. The reversal of 2940761 is 1670492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2085136 + 855625 = 1444^2 + 925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2940761 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2940731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1470380 + 1470381.

It is an arithmetic number, because the mean of its divisors is an integer number (1470381).

2^2940761 is an apocalyptic number.

It is an amenable number.

2940761 is a deficient number, since it is larger than the sum of its proper divisors (1).

2940761 is an equidigital number, since it uses as much as digits as its factorization.

2940761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 2940761 is about 1714.8647176964. The cubic root of 2940761 is about 143.2693344476.

The spelling of 2940761 in words is "two million, nine hundred forty thousand, seven hundred sixty-one".