988845 has 32 divisors (see below), whose sum is σ = 1862784. Its totient is φ = 441600.

The previous prime is 988837. The next prime is 988849. The reversal of 988845 is 548889.

It is not a de Polignac number, because 988845 - 2³ = 988837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 988797 and 988806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1915 + ... + 2375.

It is an arithmetic number, because the mean of its divisors is an integer number (58212).

2⁹⁸⁸⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

988845 is a deficient number, since it is larger than the sum of its proper divisors (873939).

988845 is a wasteful number, since it uses less digits than its factorization.

988845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493.

The product of its digits is 92160, while the sum is 42.

The square root of 988845 is about 994.4068583834. The cubic root of 988845 is about 99.6267754339.

It can be divided in two parts, 98884 and 5, that added together give a palindrome (98889).

The spelling of 988845 in words is "nine hundred eighty-eight thousand, eight hundred forty-five".