99058821 has 8 divisors (see below), whose sum is σ = 132146784. Its totient is φ = 66005040.

The previous prime is 99058819. The next prime is 99058823. The reversal of 99058821 is 12885099.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (99058819) and next prime (99058823).

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

It is not a de Polignac number, because 99058821 - 2¹ = 99058819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99058823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771 + ... + 14096.

It is an arithmetic number, because the mean of its divisors is an integer number (16518348).

Almost surely, 2^99058821 is an apocalyptic number.

It is an amenable number.

99058821 is a deficient number, since it is larger than the sum of its proper divisors (33087963).

99058821 is a wasteful number, since it uses less digits than its factorization.

99058821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17091.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 99058821 is about 9952.8297986050. The cubic root of 99058821 is about 462.6981022301.

The spelling of 99058821 in words is "ninety-nine million, fifty-eight thousand, eight hundred twenty-one".