888551 has 4 divisors (see below), whose sum is σ = 891672. Its totient is φ = 885432.

The previous prime is 888541. The next prime is 888557. The reversal of 888551 is 155888.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-888551 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 888551.

It is not an unprimeable number, because it can be changed into a prime (888557) 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, 1085 + ... + 1718.

It is an arithmetic number, because the mean of its divisors is an integer number (222918).

2⁸⁸⁸⁵⁵¹ is an apocalyptic number.

888551 is a deficient number, since it is larger than the sum of its proper divisors (3121).

888551 is a wasteful number, since it uses less digits than its factorization.

888551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120.

The product of its digits is 12800, while the sum is 35.

The square root of 888551 is about 942.6298319065. The cubic root of 888551 is about 96.1377868072.

The spelling of 888551 in words is "eight hundred eighty-eight thousand, five hundred fifty-one".