988993 has 8 divisors (see below), whose sum is σ = 1039616. Its totient is φ = 939600.

The previous prime is 988979. The next prime is 989011. The reversal of 988993 is 399889.

988993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 988993 - 2¹³ = 980801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (988963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1630 + ... + 2152.

It is an arithmetic number, because the mean of its divisors is an integer number (129952).

2⁹⁸⁸⁹⁹³ is an apocalyptic number.

It is an amenable number.

988993 is a deficient number, since it is larger than the sum of its proper divisors (50623).

988993 is a wasteful number, since it uses less digits than its factorization.

988993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615.

The product of its digits is 139968, while the sum is 46.

The square root of 988993 is about 994.4812718196. The cubic root of 988993 is about 99.6317455513.

The spelling of 988993 in words is "nine hundred eighty-eight thousand, nine hundred ninety-three".