2357889 has 4 divisors (see below), whose sum is σ = 3143856. Its totient is φ = 1571924.

The previous prime is 2357879. The next prime is 2357909. The reversal of 2357889 is 9887532.

2357889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2357889 - 2¹⁷ = 2226817 is a prime.

It is a D-number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2357889.

It is not an unprimeable number, because it can be changed into a prime (2357809) 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, 392979 + ... + 392984.

It is an arithmetic number, because the mean of its divisors is an integer number (785964).

2^2357889 is an apocalyptic number.

It is an amenable number.

2357889 is a deficient number, since it is larger than the sum of its proper divisors (785967).

2357889 is an equidigital number, since it uses as much as digits as its factorization.

2357889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785966.

The product of its digits is 120960, while the sum is 42.

The square root of 2357889 is about 1535.5419238822. The cubic root of 2357889 is about 133.0988956729.

The spelling of 2357889 in words is "two million, three hundred fifty-seven thousand, eight hundred eighty-nine".