9990054 has 20 divisors (see below), whose sum is σ = 22385484. Its totient is φ = 3329964.

The previous prime is 9990047. The next prime is 9990089. The reversal of 9990054 is 4500999.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 30672 + ... + 30995.

Almost surely, 2^9990054 is an apocalyptic number.

9990054 is an abundant number, since it is smaller than the sum of its proper divisors (12395430).

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

9990054 is a wasteful number, since it uses less digits than its factorization.

9990054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61681 (or 61672 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 9990054 is about 3160.7046682662. The cubic root of 9990054 is about 215.3720186183.

The spelling of 9990054 in words is "nine million, nine hundred ninety thousand, fifty-four".