887749 has 2 divisors, whose sum is σ = 887750. Its totient is φ = 887748.

The previous prime is 887743. The next prime is 887759. The reversal of 887749 is 947788.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 592900 + 294849 = 770^2 + 543^2 .

It is a cyclic number.

It is not a de Polignac number, because 887749 - 2⁵ = 887717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (887743) 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 as a sum of consecutive naturals, namely, 443874 + 443875.

It is an arithmetic number, because the mean of its divisors is an integer number (443875).

2⁸⁸⁷⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

887749 is a deficient number, since it is larger than the sum of its proper divisors (1).

887749 is an equidigital number, since it uses as much as digits as its factorization.

887749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 43.

The square root of 887749 is about 942.2043302809. The cubic root of 887749 is about 96.1088536662.

The spelling of 887749 in words is "eight hundred eighty-seven thousand, seven hundred forty-nine".