988387 has 4 divisors (see below), whose sum is σ = 1012536. Its totient is φ = 964240.

The previous prime is 988367. The next prime is 988409. The reversal of 988387 is 783889.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783889 = 149 ⋅5261.

It is a cyclic number.

It is not a de Polignac number, because 988387 - 2¹¹ = 986339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (988357) 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 3 ways as a sum of consecutive naturals, for example, 12013 + ... + 12094.

It is an arithmetic number, because the mean of its divisors is an integer number (253134).

2⁹⁸⁸³⁸⁷ is an apocalyptic number.

988387 is a deficient number, since it is larger than the sum of its proper divisors (24149).

988387 is a wasteful number, since it uses less digits than its factorization.

988387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24148.

The product of its digits is 96768, while the sum is 43.

The square root of 988387 is about 994.1765436782. The cubic root of 988387 is about 99.6113917928.

The spelling of 988387 in words is "nine hundred eighty-eight thousand, three hundred eighty-seven".