2393641 has 4 divisors (see below), whose sum is σ = 2458372. Its totient is φ = 2328912.

The previous prime is 2393627. The next prime is 2393647. The reversal of 2393641 is 1463932.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1679616 + 714025 = 1296^2 + 845^2 .

It is a cyclic number.

It is not a de Polignac number, because 2393641 - 2¹⁵ = 2360873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2393647) 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, 32310 + ... + 32383.

It is an arithmetic number, because the mean of its divisors is an integer number (614593).

2^2393641 is an apocalyptic number.

It is an amenable number.

2393641 is a deficient number, since it is larger than the sum of its proper divisors (64731).

2393641 is an equidigital number, since it uses as much as digits as its factorization.

2393641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64730.

The product of its digits is 3888, while the sum is 28.

The square root of 2393641 is about 1547.1396187804. The cubic root of 2393641 is about 133.7682375341.

The spelling of 2393641 in words is "two million, three hundred ninety-three thousand, six hundred forty-one".