99930061 has 24 divisors (see below), whose sum is σ = 127404576. Its totient is φ = 77505120.

The previous prime is 99930059. The next prime is 99930067. The reversal of 99930061 is 16003999.

It is not a de Polignac number, because 99930061 - 2¹ = 99930059 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 99930061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99930067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213750 + ... + 214216.

It is an arithmetic number, because the mean of its divisors is an integer number (5308524).

Almost surely, 2^99930061 is an apocalyptic number.

It is an amenable number.

99930061 is a deficient number, since it is larger than the sum of its proper divisors (27474515).

99930061 is a wasteful number, since it uses less digits than its factorization.

99930061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 37.

The square root of 99930061 is about 9996.5024383531. The cubic root of 99930061 is about 464.0506487641.

The spelling of 99930061 in words is "ninety-nine million, nine hundred thirty thousand, sixty-one".