2845389 has 8 divisors (see below), whose sum is σ = 3804192. Its totient is φ = 1891760.

The previous prime is 2845387. The next prime is 2845391. The reversal of 2845389 is 9835482.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2845387) and next prime (2845391).

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

It is a cyclic number.

It is not a de Polignac number, because 2845389 - 2¹ = 2845387 is a prime.

It is a super-2 number, since 2×2845389² = 16192477122642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2845387) 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 7 ways as a sum of consecutive naturals, for example, 259 + ... + 2399.

It is an arithmetic number, because the mean of its divisors is an integer number (475524).

2^2845389 is an apocalyptic number.

It is an amenable number.

2845389 is a deficient number, since it is larger than the sum of its proper divisors (958803).

2845389 is a wasteful number, since it uses less digits than its factorization.

2845389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2587.

The product of its digits is 69120, while the sum is 39.

The square root of 2845389 is about 1686.8280884548. The cubic root of 2845389 is about 141.7034909270.

The spelling of 2845389 in words is "two million, eight hundred forty-five thousand, three hundred eighty-nine".