9900480 has 56 divisors (see below), whose sum is σ = 31437072. Its totient is φ = 2639872.

The previous prime is 9900469. The next prime is 9900481. The reversal of 9900480 is 840099.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9900481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4197 + ... + 6116.

Almost surely, 2^9900480 is an apocalyptic number.

It is an amenable number.

9900480 is an abundant number, since it is smaller than the sum of its proper divisors (21536592).

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

9900480 is a wasteful number, since it uses less digits than its factorization.

9900480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10333 (or 10323 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 9900480 is about 3146.5028205930. The cubic root of 9900480 is about 214.7263871152.

The spelling of 9900480 in words is "nine million, nine hundred thousand, four hundred eighty".