988897 has 8 divisors (see below), whose sum is σ = 1217216. Its totient is φ = 782352.

The previous prime is 988877. The next prime is 988901. The reversal of 988897 is 798889.

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 988897 - 2¹¹ = 986849 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 988897.

It is not an unprimeable number, because it can be changed into a prime (988837) 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 7 ways as a sum of consecutive naturals, for example, 5343 + ... + 5524.

It is an arithmetic number, because the mean of its divisors is an integer number (152152).

2⁹⁸⁸⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

988897 is a deficient number, since it is larger than the sum of its proper divisors (228319).

988897 is a wasteful number, since it uses less digits than its factorization.

988897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10887.

The product of its digits is 290304, while the sum is 49.

The square root of 988897 is about 994.4330042793. The cubic root of 988897 is about 99.6285217478.

The spelling of 988897 in words is "nine hundred eighty-eight thousand, eight hundred ninety-seven".