2353689 has 12 divisors (see below), whose sum is σ = 3661476. Its totient is φ = 1448352.

The previous prime is 2353661. The next prime is 2353697. The reversal of 2353689 is 9863532.

2353689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 416025 + 1937664 = 645^2 + 1392^2 .

It is not a de Polignac number, because 2353689 - 2⁵ = 2353657 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2353609) 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 11 ways as a sum of consecutive naturals, for example, 9942 + ... + 10175.

It is an arithmetic number, because the mean of its divisors is an integer number (305123).

2^2353689 is an apocalyptic number.

It is an amenable number.

2353689 is a deficient number, since it is larger than the sum of its proper divisors (1307787).

2353689 is a wasteful number, since it uses less digits than its factorization.

2353689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20136 (or 20133 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 2353689 is about 1534.1737189771. The cubic root of 2353689 is about 133.0198210420.

The spelling of 2353689 in words is "two million, three hundred fifty-three thousand, six hundred eighty-nine".