9953220 has 24 divisors (see below), whose sum is σ = 27869184. Its totient is φ = 2654176.

The previous prime is 9953219. The next prime is 9953231. The reversal of 9953220 is 223599.

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

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82884 + ... + 83003.

It is an arithmetic number, because the mean of its divisors is an integer number (1161216).

Almost surely, 2^9953220 is an apocalyptic number.

It is an amenable number.

9953220 is an abundant number, since it is smaller than the sum of its proper divisors (17915964).

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

9953220 is a wasteful number, since it uses less digits than its factorization.

9953220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165899 (or 165897 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 9953220 is about 3154.8724221432. The cubic root of 9953220 is about 215.1069955996.

The spelling of 9953220 in words is "nine million, nine hundred fifty-three thousand, two hundred twenty".