988971 has 4 divisors (see below), whose sum is σ = 1318632. Its totient is φ = 659312.

The previous prime is 988963. The next prime is 988979. The reversal of 988971 is 179889.

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

It is an interprime number because it is at equal distance from previous prime (988963) and next prime (988979).

It is a cyclic number.

It is not a de Polignac number, because 988971 - 2³ = 988963 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (988979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164826 + ... + 164831.

It is an arithmetic number, because the mean of its divisors is an integer number (329658).

2⁹⁸⁸⁹⁷¹ is an apocalyptic number.

988971 is a deficient number, since it is larger than the sum of its proper divisors (329661).

988971 is a wasteful number, since it uses less digits than its factorization.

988971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329660.

The product of its digits is 36288, while the sum is 42.

The square root of 988971 is about 994.4702107152. The cubic root of 988971 is about 99.6310067814.

The spelling of 988971 in words is "nine hundred eighty-eight thousand, nine hundred seventy-one".