986438113 has 2 divisors, whose sum is σ = 986438114. Its totient is φ = 986438112.

The previous prime is 986438071. The next prime is 986438177. The reversal of 986438113 is 311834689.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 744853264 + 241584849 = 27292^2 + 15543^2 .

It is a cyclic number.

It is not a de Polignac number, because 986438113 - 2¹³ = 986429921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 986438113.

It is not a weakly prime, because it can be changed into another prime (986438213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493219056 + 493219057.

It is an arithmetic number, because the mean of its divisors is an integer number (493219057).

Almost surely, 2^986438113 is an apocalyptic number.

It is an amenable number.

986438113 is a deficient number, since it is larger than the sum of its proper divisors (1).

986438113 is an equidigital number, since it uses as much as digits as its factorization.

986438113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 43.

The square root of 986438113 is about 31407.6123415964. The cubic root of 986438113 is about 995.4587795341.

The spelling of 986438113 in words is "nine hundred eighty-six million, four hundred thirty-eight thousand, one hundred thirteen".