2338721 has 12 divisors (see below), whose sum is σ = 2968560. Its totient is φ = 1821960.

The previous prime is 2338717. The next prime is 2338723. The reversal of 2338721 is 1278332.

It is not a de Polignac number, because 2338721 - 2² = 2338717 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2338723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1631 + ... + 2708.

It is an arithmetic number, because the mean of its divisors is an integer number (247380).

2^2338721 is an apocalyptic number.

It is an amenable number.

2338721 is a deficient number, since it is larger than the sum of its proper divisors (629839).

2338721 is a wasteful number, since it uses less digits than its factorization.

2338721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4364 (or 4357 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 2338721 is about 1529.2877427090. The cubic root of 2338721 is about 132.7372467157.

The spelling of 2338721 in words is "two million, three hundred thirty-eight thousand, seven hundred twenty-one".