2357489 has 4 divisors (see below), whose sum is σ = 2360820. Its totient is φ = 2354160.

The previous prime is 2357483. The next prime is 2357507. The reversal of 2357489 is 9847532.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1690000 + 667489 = 1300^2 + 817^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2357489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2357483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134 + ... + 2175.

It is an arithmetic number, because the mean of its divisors is an integer number (590205).

2^2357489 is an apocalyptic number.

It is an amenable number.

2357489 is a deficient number, since it is larger than the sum of its proper divisors (3331).

2357489 is a wasteful number, since it uses less digits than its factorization.

2357489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330.

The product of its digits is 60480, while the sum is 38.

The square root of 2357489 is about 1535.4116711814. The cubic root of 2357489 is about 133.0913688033.

The spelling of 2357489 in words is "two million, three hundred fifty-seven thousand, four hundred eighty-nine".