2940609 has 16 divisors (see below), whose sum is σ = 4745088. Its totient is φ = 1581312.

The previous prime is 2940601. The next prime is 2940631. The reversal of 2940609 is 9060492.

It is not a de Polignac number, because 2940609 - 2³ = 2940601 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2940601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3762 + ... + 4475.

It is an arithmetic number, because the mean of its divisors is an integer number (296568).

2^2940609 is an apocalyptic number.

It is an amenable number.

2940609 is a deficient number, since it is larger than the sum of its proper divisors (1804479).

2940609 is a wasteful number, since it uses less digits than its factorization.

2940609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8264.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 2940609 is about 1714.8203987590. The cubic root of 2940609 is about 143.2668660033.

The spelling of 2940609 in words is "two million, nine hundred forty thousand, six hundred nine".