99996905 has 16 divisors (see below), whose sum is σ = 126895680. Its totient is φ = 75436992.

The previous prime is 99996899. The next prime is 99996931. The reversal of 99996905 is 50969999.

It is not a de Polignac number, because 99996905 - 2²² = 95802601 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 19247 + ... + 23883.

It is an arithmetic number, because the mean of its divisors is an integer number (7930980).

Almost surely, 2^99996905 is an apocalyptic number.

99996905 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

99996905 is a deficient number, since it is larger than the sum of its proper divisors (26898775).

99996905 is a wasteful number, since it uses less digits than its factorization.

99996905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4888.

The product of its (nonzero) digits is 1771470, while the sum is 56.

The square root of 99996905 is about 9999.8452488026. The cubic root of 99996905 is about 464.1540947394.

The spelling of 99996905 in words is "ninety-nine million, nine hundred ninety-six thousand, nine hundred five".