99724206 has 16 divisors (see below), whose sum is σ = 200187648. Its totient is φ = 33118200.

The previous prime is 99724199. The next prime is 99724237. The reversal of 99724206 is 60242799.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29040 + ... + 32291.

It is an arithmetic number, because the mean of its divisors is an integer number (12511728).

Almost surely, 2^99724206 is an apocalyptic number.

99724206 is an abundant number, since it is smaller than the sum of its proper divisors (100463442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99724206 is a wasteful number, since it uses less digits than its factorization.

99724206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61607.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 99724206 is about 9986.2007790751. The cubic root of 99724206 is about 463.7317830310.

The spelling of 99724206 in words is "ninety-nine million, seven hundred twenty-four thousand, two hundred six".