99446590 has 16 divisors (see below), whose sum is σ = 179508960. Its totient is φ = 39666400.

The previous prime is 99446587. The next prime is 99446591. The reversal of 99446590 is 9564499.

It is a self number, because there is not a number n which added to its sum of digits gives 99446590.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99446591) 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 7 ways as a sum of consecutive naturals, for example, 10261 + ... + 17440.

It is an arithmetic number, because the mean of its divisors is an integer number (11219310).

Almost surely, 2^99446590 is an apocalyptic number.

99446590 is a deficient number, since it is larger than the sum of its proper divisors (80062370).

99446590 is a wasteful number, since it uses less digits than its factorization.

99446590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28067.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 99446590 is about 9972.2911108732. The cubic root of 99446590 is about 463.3010651003.

The spelling of 99446590 in words is "ninety-nine million, four hundred forty-six thousand, five hundred ninety".