988769 has 4 divisors (see below), whose sum is σ = 990996. Its totient is φ = 986544.

The previous prime is 988763. The next prime is 988783. The reversal of 988769 is 967889.

988769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 967889 = 13 ⋅74453.

It can be written as a sum of positive squares in 2 ways, for example, as 214369 + 774400 = 463^2 + 880^2 .

It is a cyclic number.

It is not a de Polignac number, because 988769 - 2¹⁶ = 923233 is a prime.

It is a super-2 number, since 2×988769² = 1955328270722, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 988769.

It is not an unprimeable number, because it can be changed into a prime (988763) 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, 194 + ... + 1419.

It is an arithmetic number, because the mean of its divisors is an integer number (247749).

2⁹⁸⁸⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

988769 is a deficient number, since it is larger than the sum of its proper divisors (2227).

988769 is a wasteful number, since it uses less digits than its factorization.

988769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226.

The product of its digits is 217728, while the sum is 47.

The square root of 988769 is about 994.3686439143. The cubic root of 988769 is about 99.6242230187.

The spelling of 988769 in words is "nine hundred eighty-eight thousand, seven hundred sixty-nine".