99404641 has 8 divisors (see below), whose sum is σ = 114082560. Its totient is φ = 84846048.

The previous prime is 99404639. The next prime is 99404647. The reversal of 99404641 is 14640499.

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

It is not a de Polignac number, because 99404641 - 2¹ = 99404639 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 99404641.

It is not an unprimeable number, because it can be changed into a prime (99404647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28036 + ... + 31381.

It is an arithmetic number, because the mean of its divisors is an integer number (14260320).

Almost surely, 2^99404641 is an apocalyptic number.

It is an amenable number.

99404641 is a deficient number, since it is larger than the sum of its proper divisors (14677919).

99404641 is a wasteful number, since it uses less digits than its factorization.

99404641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59663.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 99404641 is about 9970.1876110733. The cubic root of 99404641 is about 463.2359120376.

The spelling of 99404641 in words is "ninety-nine million, four hundred four thousand, six hundred forty-one".