9964280 has 16 divisors (see below), whose sum is σ = 22419720. Its totient is φ = 3985696.

The previous prime is 9964259. The next prime is 9964291. The reversal of 9964280 is 824699.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124514 + ... + 124593.

Almost surely, 2^9964280 is an apocalyptic number.

It is an amenable number.

9964280 is an abundant number, since it is smaller than the sum of its proper divisors (12455440).

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

9964280 is a wasteful number, since it uses less digits than its factorization.

9964280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249118 (or 249114 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 9964280 is about 3156.6247797291. The cubic root of 9964280 is about 215.1866416071.

The spelling of 9964280 in words is "nine million, nine hundred sixty-four thousand, two hundred eighty".