2344721 has 4 divisors (see below), whose sum is σ = 2358000. Its totient is φ = 2331444.

The previous prime is 2344717. The next prime is 2344723. The reversal of 2344721 is 1274432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2344721 - 2² = 2344717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2344723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6371 + ... + 6728.

It is an arithmetic number, because the mean of its divisors is an integer number (589500).

2^2344721 is an apocalyptic number.

It is an amenable number.

2344721 is a deficient number, since it is larger than the sum of its proper divisors (13279).

2344721 is a wasteful number, since it uses less digits than its factorization.

2344721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13278.

The product of its digits is 1344, while the sum is 23.

The square root of 2344721 is about 1531.2481836724. The cubic root of 2344721 is about 132.8506624635.

It can be divided in two parts, 23 and 44721, that added together give a palindrome (44744).

The spelling of 2344721 in words is "two million, three hundred forty-four thousand, seven hundred twenty-one".