99021814 has 8 divisors (see below), whose sum is σ = 150003648. Its totient is φ = 49020600.

The previous prime is 99021751. The next prime is 99021817. The reversal of 99021814 is 41812099.

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

It is a self number, because there is not a number n which added to its sum of digits gives 99021814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99021817) 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, 244902 + ... + 245305.

It is an arithmetic number, because the mean of its divisors is an integer number (18750456).

Almost surely, 2^99021814 is an apocalyptic number.

99021814 is a deficient number, since it is larger than the sum of its proper divisors (50981834).

99021814 is a wasteful number, since it uses less digits than its factorization.

99021814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490310.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 99021814 is about 9950.9705054331. The cubic root of 99021814 is about 462.6404758581.

The spelling of 99021814 in words is "ninety-nine million, twenty-one thousand, eight hundred fourteen".