989204371 has 2 divisors, whose sum is σ = 989204372. Its totient is φ = 989204370.

The previous prime is 989204341. The next prime is 989204387. The reversal of 989204371 is 173402989.

It is a strong prime.

It is an emirp because it is prime and its reverse (173402989) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 989204371 - 2¹³ = 989196179 is a prime.

It is not a weakly prime, because it can be changed into another prime (989204341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494602185 + 494602186.

It is an arithmetic number, because the mean of its divisors is an integer number (494602186).

Almost surely, 2^989204371 is an apocalyptic number.

989204371 is a deficient number, since it is larger than the sum of its proper divisors (1).

989204371 is an equidigital number, since it uses as much as digits as its factorization.

989204371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 989204371 is about 31451.6195290481. The cubic root of 989204371 is about 996.3884292592.

The spelling of 989204371 in words is "nine hundred eighty-nine million, two hundred four thousand, three hundred seventy-one".