99446121 has 24 divisors (see below), whose sum is σ = 148958784. Its totient is φ = 63879840.

The previous prime is 99446119. The next prime is 99446129. The reversal of 99446121 is 12164499.

It is a happy number.

99446121 is a `hidden beast` number, since 99 + 446 + 121 = 666.

It is not a de Polignac number, because 99446121 - 2¹ = 99446119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99446129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34236 + ... + 37026.

It is an arithmetic number, because the mean of its divisors is an integer number (6206616).

Almost surely, 2^99446121 is an apocalyptic number.

It is an amenable number.

99446121 is a deficient number, since it is larger than the sum of its proper divisors (49512663).

99446121 is a wasteful number, since it uses less digits than its factorization.

99446121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2941 (or 2938 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 99446121 is about 9972.2675956876. The cubic root of 99446121 is about 463.3003367746.

The spelling of 99446121 in words is "ninety-nine million, four hundred forty-six thousand, one hundred twenty-one".