2347789 has 2 divisors, whose sum is σ = 2347790. Its totient is φ = 2347788.

The previous prime is 2347781. The next prime is 2347823. The reversal of 2347789 is 9877432.

2347789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2340900 + 6889 = 1530^2 + 83^2 .

It is a cyclic number.

It is not a de Polignac number, because 2347789 - 2³ = 2347781 is a prime.

It is a super-2 number, since 2×2347789² = 11024226377042, which contains 22 as substring.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2347781) 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 as a sum of consecutive naturals, namely, 1173894 + 1173895.

It is an arithmetic number, because the mean of its divisors is an integer number (1173895).

2^2347789 is an apocalyptic number.

It is an amenable number.

2347789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2347789 is an equidigital number, since it uses as much as digits as its factorization.

2347789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 40.

The square root of 2347789 is about 1532.2496532876. The cubic root of 2347789 is about 132.9085809664.

It can be divided in two parts, 2347 and 789, that added together give a square (3136 = 56²).

The spelling of 2347789 in words is "two million, three hundred forty-seven thousand, seven hundred eighty-nine".