887389 has 4 divisors (see below), whose sum is σ = 895356. Its totient is φ = 879424.

The previous prime is 887387. The next prime is 887399. The reversal of 887389 is 983788.

It is a happy number.

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 16900 + 870489 = 130^2 + 933^2 .

It is a cyclic number.

It is not a de Polignac number, because 887389 - 2¹ = 887387 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (887387) 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 3 ways as a sum of consecutive naturals, for example, 3814 + ... + 4039.

It is an arithmetic number, because the mean of its divisors is an integer number (223839).

2⁸⁸⁷³⁸⁹ is an apocalyptic number.

It is an amenable number.

887389 is a deficient number, since it is larger than the sum of its proper divisors (7967).

887389 is a wasteful number, since it uses less digits than its factorization.

887389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7966.

The product of its digits is 96768, while the sum is 43.

The square root of 887389 is about 942.0132695456. The cubic root of 887389 is about 96.0958605547.

The spelling of 887389 in words is "eight hundred eighty-seven thousand, three hundred eighty-nine".