988001 has 16 divisors (see below), whose sum is σ = 1213440. Its totient is φ = 786240.

The previous prime is 987997. The next prime is 988007. The reversal of 988001 is 100889.

988001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 988001 - 2² = 987997 is a prime.

It is a super-2 number, since 2×988001² = 1952291952002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (988007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6215 + ... + 6371.

It is an arithmetic number, because the mean of its divisors is an integer number (75840).

2⁹⁸⁸⁰⁰¹ is an apocalyptic number.

It is an amenable number.

988001 is a deficient number, since it is larger than the sum of its proper divisors (225439).

988001 is a wasteful number, since it uses less digits than its factorization.

988001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 988001 is about 993.9823942103. The cubic root of 988001 is about 99.5984228499.

The spelling of 988001 in words is "nine hundred eighty-eight thousand, one".