989938 has 16 divisors (see below), whose sum is σ = 1584000. Its totient is φ = 462672.

The previous prime is 989929. The next prime is 989939. The reversal of 989938 is 839989.

It is not an unprimeable number, because it can be changed into a prime (989939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4023 + ... + 4261.

It is an arithmetic number, because the mean of its divisors is an integer number (99000).

2⁹⁸⁹⁹³⁸ is an apocalyptic number.

989938 is a deficient number, since it is larger than the sum of its proper divisors (594062).

989938 is a wasteful number, since it uses less digits than its factorization.

989938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369.

The product of its digits is 139968, while the sum is 46.

The square root of 989938 is about 994.9562804465. The cubic root of 989938 is about 99.6634687375.

The spelling of 989938 in words is "nine hundred eighty-nine thousand, nine hundred thirty-eight".