988671 has 4 divisors (see below), whose sum is σ = 1318232. Its totient is φ = 659112.

The previous prime is 988661. The next prime is 988681. The reversal of 988671 is 176889.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 176889 = 3 ⋅58963.

It is an interprime number because it is at equal distance from previous prime (988661) and next prime (988681).

It is not a de Polignac number, because 988671 - 2⁶ = 988607 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988651) 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, 164776 + ... + 164781.

It is an arithmetic number, because the mean of its divisors is an integer number (329558).

2⁹⁸⁸⁶⁷¹ is an apocalyptic number.

988671 is a deficient number, since it is larger than the sum of its proper divisors (329561).

988671 is a wasteful number, since it uses less digits than its factorization.

988671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329560.

The product of its digits is 24192, while the sum is 39.

The square root of 988671 is about 994.3193651941. The cubic root of 988671 is about 99.6209315534.

The spelling of 988671 in words is "nine hundred eighty-eight thousand, six hundred seventy-one".