2942817 has 8 divisors (see below), whose sum is σ = 3943200. Its totient is φ = 1952160.

The previous prime is 2942809. The next prime is 2942843. The reversal of 2942817 is 7182492.

It is a happy number.

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

It is not a de Polignac number, because 2942817 - 2³ = 2942809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2944817) 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, 1692 + ... + 2957.

It is an arithmetic number, because the mean of its divisors is an integer number (492900).

2^2942817 is an apocalyptic number.

It is an amenable number.

2942817 is a deficient number, since it is larger than the sum of its proper divisors (1000383).

2942817 is a wasteful number, since it uses less digits than its factorization.

2942817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4863.

The product of its digits is 8064, while the sum is 33.

The square root of 2942817 is about 1715.4640771523. The cubic root of 2942817 is about 143.3027150512.

The spelling of 2942817 in words is "two million, nine hundred forty-two thousand, eight hundred seventeen".