888749 has 4 divisors (see below), whose sum is σ = 892860. Its totient is φ = 884640.

The previous prime is 888737. The next prime is 888751. The reversal of 888749 is 947888.

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 714025 + 174724 = 845^2 + 418^2 .

It is a cyclic number.

It is not a de Polignac number, because 888749 - 2⁸ = 888493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (888779) 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 3 ways as a sum of consecutive naturals, for example, 1712 + ... + 2169.

It is an arithmetic number, because the mean of its divisors is an integer number (223215).

2⁸⁸⁸⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

888749 is a deficient number, since it is larger than the sum of its proper divisors (4111).

888749 is a wasteful number, since it uses less digits than its factorization.

888749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4110.

The product of its digits is 129024, while the sum is 44.

The square root of 888749 is about 942.7348513766. The cubic root of 888749 is about 96.1449272220.

The spelling of 888749 in words is "eight hundred eighty-eight thousand, seven hundred forty-nine".