2569389 has 8 divisors (see below), whose sum is σ = 3606240. Its totient is φ = 1622736.

The previous prime is 2569361. The next prime is 2569393. The reversal of 2569389 is 9839652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2569389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2569389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2569309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22482 + ... + 22595.

It is an arithmetic number, because the mean of its divisors is an integer number (450780).

2^2569389 is an apocalyptic number.

It is an amenable number.

2569389 is a deficient number, since it is larger than the sum of its proper divisors (1036851).

2569389 is a wasteful number, since it uses less digits than its factorization.

2569389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45099.

The product of its digits is 116640, while the sum is 42.

The square root of 2569389 is about 1602.9313771962. The cubic root of 2569389 is about 136.9651109054.

The spelling of 2569389 in words is "two million, five hundred sixty-nine thousand, three hundred eighty-nine".