986438071 has 2 divisors, whose sum is σ = 986438072. Its totient is φ = 986438070.

The previous prime is 986438059. The next prime is 986438113. The reversal of 986438071 is 170834689.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (170834689) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 986438071 - 2⁹ = 986437559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (986439071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493219035 + 493219036.

It is an arithmetic number, because the mean of its divisors is an integer number (493219036).

Almost surely, 2^986438071 is an apocalyptic number.

986438071 is a deficient number, since it is larger than the sum of its proper divisors (1).

986438071 is an equidigital number, since it uses as much as digits as its factorization.

986438071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 986438071 is about 31407.6116729687. The cubic root of 986438071 is about 995.4587654060.

The spelling of 986438071 in words is "nine hundred eighty-six million, four hundred thirty-eight thousand, seventy-one".