99646458 has 8 divisors (see below), whose sum is σ = 199292928. Its totient is φ = 33215484.

The previous prime is 99646427. The next prime is 99646541. The reversal of 99646458 is 85464699.

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

99646458 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 99646458.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8303866 + ... + 8303877.

It is an arithmetic number, because the mean of its divisors is an integer number (24911616).

Almost surely, 2^99646458 is an apocalyptic number.

99646458 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.

99646458 is a wasteful number, since it uses less digits than its factorization.

99646458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16607748.

The product of its digits is 1866240, while the sum is 51.

The square root of 99646458 is about 9982.3072483269. The cubic root of 99646458 is about 463.6112386021.

The spelling of 99646458 in words is "ninety-nine million, six hundred forty-six thousand, four hundred fifty-eight".