988000889 has 2 divisors, whose sum is σ = 988000890. Its totient is φ = 988000888.

The previous prime is 988000879. The next prime is 988000919.

988000889 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 869365225 + 118635664 = 29485^2 + 10892^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 988000889 - 2⁴ = 988000873 is a prime.

It is a super-2 number, since 2×988000889² = 1952291513329580642, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (988000859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494000444 + 494000445.

It is an arithmetic number, because the mean of its divisors is an integer number (494000445).

Almost surely, 2^988000889 is an apocalyptic number.

It is an amenable number.

988000889 is a deficient number, since it is larger than the sum of its proper divisors (1).

988000889 is an equidigital number, since it uses as much as digits as its factorization.

988000889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 50.

The square root of 988000889 is about 31432.4814324291. The cubic root of 988000889 is about 995.9841912003.

It can be divided in two parts, 988000 and 889, that added together give a palindrome (988889).

The spelling of 988000889 in words is "nine hundred eighty-eight million, eight hundred eighty-nine", and thus it is an aban number.