989804343 has 16 divisors (see below), whose sum is σ = 1453974912. Its totient is φ = 593940000.

The previous prime is 989804327. The next prime is 989804369. The reversal of 989804343 is 343408989.

It is not a de Polignac number, because 989804343 - 2⁴ = 989804327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 989804292 and 989804301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989804303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145153 + ... + 151818.

It is an arithmetic number, because the mean of its divisors is an integer number (90873432).

Almost surely, 2^989804343 is an apocalyptic number.

989804343 is a deficient number, since it is larger than the sum of its proper divisors (464170569).

989804343 is a wasteful number, since it uses less digits than its factorization.

989804343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297086.

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 989804343 is about 31461.1560976389. The cubic root of 989804343 is about 996.5898316376.

The spelling of 989804343 in words is "nine hundred eighty-nine million, eight hundred four thousand, three hundred forty-three".