2940943 has 4 divisors (see below), whose sum is σ = 2971360. Its totient is φ = 2910528.

The previous prime is 2940937. The next prime is 2940947. The reversal of 2940943 is 3490492.

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

It is a cyclic number.

It is not a de Polignac number, because 2940943 - 2⁵ = 2940911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2940947) 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, 15063 + ... + 15256.

It is an arithmetic number, because the mean of its divisors is an integer number (742840).

2^2940943 is an apocalyptic number.

2940943 is a deficient number, since it is larger than the sum of its proper divisors (30417).

2940943 is an equidigital number, since it uses as much as digits as its factorization.

2940943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30416.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 2940943 is about 1714.9177822858. The cubic root of 2940943 is about 143.2722899729.

It can be divided in two parts, 2940 and 943, that added together give a palindrome (3883).

The spelling of 2940943 in words is "two million, nine hundred forty thousand, nine hundred forty-three".