99967906 has 8 divisors (see below), whose sum is σ = 150152220. Its totient is φ = 49917168.

The previous prime is 99967897. The next prime is 99967927. The reversal of 99967906 is 60976999.

It can be written as a sum of positive squares in 2 ways, for example, as 91987281 + 7980625 = 9591^2 + 2825^2 .

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

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, 31501 + ... + 34528.

Almost surely, 2^99967906 is an apocalyptic number.

99967906 is a deficient number, since it is larger than the sum of its proper divisors (50184314).

99967906 is a wasteful number, since it uses less digits than its factorization.

99967906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66788.

The product of its (nonzero) digits is 1653372, while the sum is 55.

The square root of 99967906 is about 9998.3951712262. The cubic root of 99967906 is about 464.1092223308.

The spelling of 99967906 in words is "ninety-nine million, nine hundred sixty-seven thousand, nine hundred six".