989923301 has 4 divisors (see below), whose sum is σ = 992209932. Its totient is φ = 987636672.

The previous prime is 989923273. The next prime is 989923303. The reversal of 989923301 is 103329989.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41344900 + 948578401 = 6430^2 + 30799^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-989923301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989923303) 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, 1142666 + ... + 1143531.

It is an arithmetic number, because the mean of its divisors is an integer number (248052483).

Almost surely, 2^989923301 is an apocalyptic number.

It is an amenable number.

989923301 is a deficient number, since it is larger than the sum of its proper divisors (2286631).

989923301 is a wasteful number, since it uses less digits than its factorization.

989923301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286630.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 989923301 is about 31463.0465943780. The cubic root of 989923301 is about 996.6297545392.

The spelling of 989923301 in words is "nine hundred eighty-nine million, nine hundred twenty-three thousand, three hundred one".