2942321 has 8 divisors (see below), whose sum is σ = 3232320. Its totient is φ = 2665872.

The previous prime is 2942293. The next prime is 2942323. The reversal of 2942321 is 1232492.

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

It is a cyclic number.

It is not a de Polignac number, because 2942321 - 2⁶ = 2942257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2942323) 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, 2930 + ... + 3803.

It is an arithmetic number, because the mean of its divisors is an integer number (404040).

2^2942321 is an apocalyptic number.

It is an amenable number.

2942321 is a deficient number, since it is larger than the sum of its proper divisors (289999).

2942321 is a wasteful number, since it uses less digits than its factorization.

2942321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6775.

The product of its digits is 864, while the sum is 23.

The square root of 2942321 is about 1715.3195037660. The cubic root of 2942321 is about 143.2946635662.

The spelling of 2942321 in words is "two million, nine hundred forty-two thousand, three hundred twenty-one".