99990948 has 12 divisors (see below), whose sum is σ = 233312240. Its totient is φ = 33330312.

The previous prime is 99990929. The next prime is 99990967. The reversal of 99990948 is 84909999.

It is an interprime number because it is at equal distance from previous prime (99990929) and next prime (99990967).

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 4166278 + ... + 4166301.

Almost surely, 2^99990948 is an apocalyptic number.

It is an amenable number.

99990948 is an abundant number, since it is smaller than the sum of its proper divisors (133321292).

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

99990948 is a wasteful number, since it uses less digits than its factorization.

99990948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8332586 (or 8332584 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 57.

The square root of 99990948 is about 9999.5473897572. The cubic root of 99990948 is about 464.1448777180.

The spelling of 99990948 in words is "ninety-nine million, nine hundred ninety thousand, nine hundred forty-eight".