986136321 has 16 divisors (see below), whose sum is σ = 1351473344. Its totient is φ = 639140544.

The previous prime is 986136313. The next prime is 986136367. The reversal of 986136321 is 123631689.

It is not a de Polignac number, because 986136321 - 2³ = 986136313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 986136321.

It is not an unprimeable number, because it can be changed into a prime (986136301) 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, 174486 + ... + 180048.

It is an arithmetic number, because the mean of its divisors is an integer number (84467084).

Almost surely, 2^986136321 is an apocalyptic number.

It is an amenable number.

986136321 is a deficient number, since it is larger than the sum of its proper divisors (365337023).

986136321 is a wasteful number, since it uses less digits than its factorization.

986136321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7200.

The product of its digits is 46656, while the sum is 39.

The square root of 986136321 is about 31402.8075337222. The cubic root of 986136321 is about 995.3572519152.

The spelling of 986136321 in words is "nine hundred eighty-six million, one hundred thirty-six thousand, three hundred twenty-one".