9990148 has 24 divisors (see below), whose sum is σ = 20522432. Its totient is φ = 4165344.

The previous prime is 9990137. The next prime is 9990163. The reversal of 9990148 is 8410999.

It is a self number, because there is not a number n which added to its sum of digits gives 9990148.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3786 + ... + 5857.

Almost surely, 2^9990148 is an apocalyptic number.

It is an amenable number.

9990148 is an abundant number, since it is smaller than the sum of its proper divisors (10532284).

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

9990148 is a wasteful number, since it uses less digits than its factorization.

9990148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9691 (or 9689 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 9990148 is about 3160.7195383330. The cubic root of 9990148 is about 215.3726941204.

The spelling of 9990148 in words is "nine million, nine hundred ninety thousand, one hundred forty-eight".