2320641 has 24 divisors (see below), whose sum is σ = 3625440. Its totient is φ = 1425600.

The previous prime is 2320639. The next prime is 2320649. The reversal of 2320641 is 1460232.

It is a happy number.

2320641 is a `hidden beast` number, since 2 + 3 + 20 + 641 = 666.

It is not a de Polignac number, because 2320641 - 2¹ = 2320639 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6846 + ... + 7176.

It is an arithmetic number, because the mean of its divisors is an integer number (151060).

2^2320641 is an apocalyptic number.

It is an amenable number.

2320641 is a deficient number, since it is larger than the sum of its proper divisors (1304799).

2320641 is a wasteful number, since it uses less digits than its factorization.

2320641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2320641 is about 1523.3650251991. The cubic root of 2320641 is about 132.3943099267.

Adding to 2320641 its reverse (1460232), we get a palindrome (3780873).

The spelling of 2320641 in words is "two million, three hundred twenty thousand, six hundred forty-one".