2641393 has 4 divisors (see below), whose sum is σ = 2712820. Its totient is φ = 2569968.

The previous prime is 2641391. The next prime is 2641411. The reversal of 2641393 is 3931462.

2641393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is the 664-th star number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3931462 = 2 ⋅1965731.

It can be written as a sum of positive squares in 2 ways, for example, as 2534464 + 106929 = 1592^2 + 327^2 .

It is a cyclic number.

It is not a de Polignac number, because 2641393 - 2¹ = 2641391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2641391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35658 + ... + 35731.

It is an arithmetic number, because the mean of its divisors is an integer number (678205).

2^2641393 is an apocalyptic number.

It is an amenable number.

2641393 is a deficient number, since it is larger than the sum of its proper divisors (71427).

2641393 is an equidigital number, since it uses as much as digits as its factorization.

2641393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71426.

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

The square root of 2641393 is about 1625.2362905129. The cubic root of 2641393 is about 138.2327689612.

The spelling of 2641393 in words is "two million, six hundred forty-one thousand, three hundred ninety-three".