989926 has 8 divisors (see below), whose sum is σ = 1697040. Its totient is φ = 424248.

The previous prime is 989921. The next prime is 989929. The reversal of 989926 is 629989.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35341 + ... + 35368.

It is an arithmetic number, because the mean of its divisors is an integer number (212130).

2⁹⁸⁹⁹²⁶ is an apocalyptic number.

989926 is a deficient number, since it is larger than the sum of its proper divisors (707114).

989926 is a wasteful number, since it uses less digits than its factorization.

989926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70718.

The product of its digits is 69984, while the sum is 43.

The square root of 989926 is about 994.9502500125. The cubic root of 989926 is about 99.6630660300.

The spelling of 989926 in words is "nine hundred eighty-nine thousand, nine hundred twenty-six".