99650971 has 16 divisors (see below), whose sum is σ = 117111744. Its totient is φ = 83026944.

The previous prime is 99650939. The next prime is 99650977. The reversal of 99650971 is 17905699.

It is not a de Polignac number, because 99650971 - 2⁵ = 99650939 is a prime.

It is a super-4 number, since 4×99650971⁴ (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99650977) 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, 40735 + ... + 43111.

It is an arithmetic number, because the mean of its divisors is an integer number (7319484).

Almost surely, 2^99650971 is an apocalyptic number.

99650971 is a deficient number, since it is larger than the sum of its proper divisors (17460773).

99650971 is a wasteful number, since it uses less digits than its factorization.

99650971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550.

The product of its (nonzero) digits is 153090, while the sum is 46.

The square root of 99650971 is about 9982.5332957121. The cubic root of 99650971 is about 463.6182374993.

The spelling of 99650971 in words is "ninety-nine million, six hundred fifty thousand, nine hundred seventy-one".