99969948 has 36 divisors (see below), whose sum is σ = 272141688. Its totient is φ = 30759840.

The previous prime is 99969943. The next prime is 99969949. The reversal of 99969948 is 84996999.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99969941) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 106338 + ... + 107273.

Almost surely, 2^99969948 is an apocalyptic number.

It is an amenable number.

99969948 is an abundant number, since it is smaller than the sum of its proper divisors (172171740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99969948 is a wasteful number, since it uses less digits than its factorization.

99969948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213634 (or 213629 counting only the distinct ones).

The product of its digits is 11337408, while the sum is 63.

The square root of 99969948 is about 9998.4972870927. The cubic root of 99969948 is about 464.1123823603.

The spelling of 99969948 in words is "ninety-nine million, nine hundred sixty-nine thousand, nine hundred forty-eight".