989963326 has 8 divisors (see below), whose sum is σ = 1619940024. Its totient is φ = 449983320.

The previous prime is 989963323. The next prime is 989963353. The reversal of 989963326 is 623369989.

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 (989963323) 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, 22499145 + ... + 22499188.

It is an arithmetic number, because the mean of its divisors is an integer number (202492503).

Almost surely, 2^989963326 is an apocalyptic number.

989963326 is a deficient number, since it is larger than the sum of its proper divisors (629976698).

989963326 is a wasteful number, since it uses less digits than its factorization.

989963326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44998346.

The product of its digits is 3779136, while the sum is 55.

The square root of 989963326 is about 31463.6826515905. The cubic root of 989963326 is about 996.6431864109.

The spelling of 989963326 in words is "nine hundred eighty-nine million, nine hundred sixty-three thousand, three hundred twenty-six".