988729 has 8 divisors (see below), whose sum is σ = 1139328. Its totient is φ = 840480.

The previous prime is 988727. The next prime is 988733. The reversal of 988729 is 927889.

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

It is a cyclic number.

It is not a de Polignac number, because 988729 - 2¹ = 988727 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (988727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444 + ... + 1474.

It is an arithmetic number, because the mean of its divisors is an integer number (142416).

2⁹⁸⁸⁷²⁹ is an apocalyptic number.

It is an amenable number.

988729 is a deficient number, since it is larger than the sum of its proper divisors (150599).

988729 is a wasteful number, since it uses less digits than its factorization.

988729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175.

The product of its digits is 72576, while the sum is 43.

The square root of 988729 is about 994.3485304459. The cubic root of 988729 is about 99.6228795898.

The spelling of 988729 in words is "nine hundred eighty-eight thousand, seven hundred twenty-nine".