99998966 has 8 divisors (see below), whose sum is σ = 151005600. Its totient is φ = 49663768.

The previous prime is 99998953. The next prime is 99998971. The reversal of 99998966 is 66989999.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 167486 + ... + 168081.

It is an arithmetic number, because the mean of its divisors is an integer number (18875700).

Almost surely, 2^99998966 is an apocalyptic number.

99998966 is a deficient number, since it is larger than the sum of its proper divisors (51006634).

99998966 is a wasteful number, since it uses less digits than its factorization.

99998966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335718.

The product of its digits is 17006112, while the sum is 65.

The square root of 99998966 is about 9999.9482998664. The cubic root of 99998966 is about 464.1572835548.

The spelling of 99998966 in words is "ninety-nine million, nine hundred ninety-eight thousand, nine hundred sixty-six".