2385389 has 4 divisors (see below), whose sum is σ = 2525724. Its totient is φ = 2245056.

The previous prime is 2385349. The next prime is 2385433. The reversal of 2385389 is 9835832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2175625 + 209764 = 1475^2 + 458^2 .

It is a cyclic number.

It is not a de Polignac number, because 2385389 - 2¹⁶ = 2319853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2385319) 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, 70142 + ... + 70175.

It is an arithmetic number, because the mean of its divisors is an integer number (631431).

2^2385389 is an apocalyptic number.

It is an amenable number.

2385389 is a deficient number, since it is larger than the sum of its proper divisors (140335).

2385389 is a wasteful number, since it uses less digits than its factorization.

2385389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140334.

The product of its digits is 51840, while the sum is 38.

The square root of 2385389 is about 1544.4704594132. The cubic root of 2385389 is about 133.6143399873.

The spelling of 2385389 in words is "two million, three hundred eighty-five thousand, three hundred eighty-nine".