2942665 has 8 divisors (see below), whose sum is σ = 3852288. Its totient is φ = 2140080.

The previous prime is 2942657. The next prime is 2942669. The reversal of 2942665 is 5662492.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2942665 - 2³ = 2942657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2942665.

It is not an unprimeable number, because it can be changed into a prime (2942669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26697 + ... + 26806.

It is an arithmetic number, because the mean of its divisors is an integer number (481536).

2^2942665 is an apocalyptic number.

It is an amenable number.

2942665 is a deficient number, since it is larger than the sum of its proper divisors (909623).

2942665 is a wasteful number, since it uses less digits than its factorization.

2942665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53519.

The product of its digits is 25920, while the sum is 34.

The square root of 2942665 is about 1715.4197736997. The cubic root of 2942665 is about 143.3002477568.

The spelling of 2942665 in words is "two million, nine hundred forty-two thousand, six hundred sixty-five".