99642846 has 8 divisors (see below), whose sum is σ = 199285704. Its totient is φ = 33214280.

The previous prime is 99642841. The next prime is 99642871. The reversal of 99642846 is 64824699.

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

99642846 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 99642795 and 99642804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99642841) 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 3 ways as a sum of consecutive naturals, for example, 8303565 + ... + 8303576.

It is an arithmetic number, because the mean of its divisors is an integer number (24910713).

Almost surely, 2^99642846 is an apocalyptic number.

99642846 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99642846 is a wasteful number, since it uses less digits than its factorization.

99642846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16607146.

The product of its digits is 746496, while the sum is 48.

The square root of 99642846 is about 9982.1263265899. The cubic root of 99642846 is about 463.6056368508.

The spelling of 99642846 in words is "ninety-nine million, six hundred forty-two thousand, eight hundred forty-six".