99646459 has 8 divisors (see below), whose sum is σ = 109488960. Its totient is φ = 89934600.

The previous prime is 99646427. The next prime is 99646541. The reversal of 99646459 is 95464699.

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

It is a cyclic number.

It is not a de Polignac number, because 99646459 - 2⁵ = 99646427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99646409) 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, 31057 + ... + 34114.

It is an arithmetic number, because the mean of its divisors is an integer number (13686120).

Almost surely, 2^99646459 is an apocalyptic number.

99646459 is a deficient number, since it is larger than the sum of its proper divisors (9842501).

99646459 is a wasteful number, since it uses less digits than its factorization.

99646459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65321.

The product of its digits is 2099520, while the sum is 52.

The square root of 99646459 is about 9982.3072984155. The cubic root of 99646459 is about 463.6112401530.

The spelling of 99646459 in words is "ninety-nine million, six hundred forty-six thousand, four hundred fifty-nine".