2308641 has 4 divisors (see below), whose sum is σ = 3078192. Its totient is φ = 1539092.

The previous prime is 2308637. The next prime is 2308673. The reversal of 2308641 is 1468032.

It is a happy number.

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 2308641 - 2² = 2308637 is a prime.

It is a D-number.

2308641 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2308681) 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, 384771 + ... + 384776.

It is an arithmetic number, because the mean of its divisors is an integer number (769548).

2^2308641 is an apocalyptic number.

It is an amenable number.

2308641 is a deficient number, since it is larger than the sum of its proper divisors (769551).

2308641 is an equidigital number, since it uses as much as digits as its factorization.

2308641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769550.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2308641 is about 1519.4212714057. The cubic root of 2308641 is about 132.1657124473.

The spelling of 2308641 in words is "two million, three hundred eight thousand, six hundred forty-one".