886731989 has 8 divisors (see below), whose sum is σ = 1041755232. Its totient is φ = 744110640.

The previous prime is 886731971. The next prime is 886731997. The reversal of 886731989 is 989137688.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 886731989 - 2¹⁶ = 886666453 is a prime.

It is a super-2 number, since 2×886731989² = 1572587240631792242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (886730989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3100319 + ... + 3100604.

It is an arithmetic number, because the mean of its divisors is an integer number (130219404).

Almost surely, 2^886731989 is an apocalyptic number.

It is an amenable number.

886731989 is a deficient number, since it is larger than the sum of its proper divisors (155023243).

886731989 is a wasteful number, since it uses less digits than its factorization.

886731989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6200947.

The product of its digits is 5225472, while the sum is 59.

The square root of 886731989 is about 29778.0454194025. The cubic root of 886731989 is about 960.7213866740.

The spelling of 886731989 in words is "eight hundred eighty-six million, seven hundred thirty-one thousand, nine hundred eighty-nine".