2940945 has 32 divisors (see below), whose sum is σ = 5530368. Its totient is φ = 1306368.

The previous prime is 2940937. The next prime is 2940947. The reversal of 2940945 is 5490492.

It is not a de Polignac number, because 2940945 - 2³ = 2940937 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 3507 + ... + 4263.

It is an arithmetic number, because the mean of its divisors is an integer number (172824).

2^2940945 is an apocalyptic number.

It is an amenable number.

2940945 is a deficient number, since it is larger than the sum of its proper divisors (2589423).

2940945 is a wasteful number, since it uses less digits than its factorization.

2940945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 2940945 is about 1714.9183654040. The cubic root of 2940945 is about 143.2723224505.

The spelling of 2940945 in words is "two million, nine hundred forty thousand, nine hundred forty-five".