99645682 has 8 divisors (see below), whose sum is σ = 154622700. Its totient is φ = 48104784.

The previous prime is 99645673. The next prime is 99645697. The reversal of 99645682 is 28654699.

It can be written as a sum of positive squares in 2 ways, for example, as 91183401 + 8462281 = 9549^2 + 2909^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 858957 + ... + 859072.

Almost surely, 2^99645682 is an apocalyptic number.

99645682 is a deficient number, since it is larger than the sum of its proper divisors (54977018).

99645682 is a wasteful number, since it uses less digits than its factorization.

99645682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718060.

The product of its digits is 933120, while the sum is 49.

The square root of 99645682 is about 9982.2683794817. The cubic root of 99645682 is about 463.6100351365.

The spelling of 99645682 in words is "ninety-nine million, six hundred forty-five thousand, six hundred eighty-two".