99986522 has 8 divisors (see below), whose sum is σ = 150077172. Its totient is φ = 49960800.

The previous prime is 99986521. The next prime is 99986527. The reversal of 99986522 is 22568999.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 90992521 + 8994001 = 9539^2 + 2999^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (99986521) 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, 12179 + ... + 18662.

Almost surely, 2^99986522 is an apocalyptic number.

99986522 is a deficient number, since it is larger than the sum of its proper divisors (50090650).

99986522 is a wasteful number, since it uses less digits than its factorization.

99986522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32464.

The product of its digits is 699840, while the sum is 50.

The square root of 99986522 is about 9999.3260772914. The cubic root of 99986522 is about 464.1380293129.

The spelling of 99986522 in words is "ninety-nine million, nine hundred eighty-six thousand, five hundred twenty-two".