99524407 has 4 divisors (see below), whose sum is σ = 101402280. Its totient is φ = 97646536.

The previous prime is 99524389. The next prime is 99524429. The reversal of 99524407 is 70442599.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99524407 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 99524407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99524497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 938857 + ... + 938962.

It is an arithmetic number, because the mean of its divisors is an integer number (25350570).

Almost surely, 2^99524407 is an apocalyptic number.

99524407 is a deficient number, since it is larger than the sum of its proper divisors (1877873).

99524407 is a wasteful number, since it uses less digits than its factorization.

99524407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877872.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 99524407 is about 9976.1920089782. The cubic root of 99524407 is about 463.4218780222.

The spelling of 99524407 in words is "ninety-nine million, five hundred twenty-four thousand, four hundred seven".