988539769 has 12 divisors (see below), whose sum is σ = 1150682484. Its totient is φ = 846768384.

The previous prime is 988539751. The next prime is 988539833. The reversal of 988539769 is 967935889.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 382789225 + 605750544 = 19565^2 + 24612^2 .

It is not a de Polignac number, because 988539769 - 2⁵ = 988539737 is a prime.

It is a super-2 number, since 2×988539769² = 1954421749789146722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 988539769.

It is not an unprimeable number, because it can be changed into a prime (988539569) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81397 + ... + 92749.

It is an arithmetic number, because the mean of its divisors is an integer number (95890207).

Almost surely, 2^988539769 is an apocalyptic number.

988539769 is the 18153-rd hex number.

It is an amenable number.

988539769 is a deficient number, since it is larger than the sum of its proper divisors (162142715).

988539769 is a wasteful number, since it uses less digits than its factorization.

988539769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13144 (or 13137 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 64.

The square root of 988539769 is about 31441.0522883697. The cubic root of 988539769 is about 996.1652363853.

The spelling of 988539769 in words is "nine hundred eighty-eight million, five hundred thirty-nine thousand, seven hundred sixty-nine".