11984220 has 48 divisors (see below), whose sum is σ = 37285920. Its totient is φ = 3195648.

The previous prime is 11984213. The next prime is 11984233. The reversal of 11984220 is 2248911.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10557 + ... + 11636.

It is an arithmetic number, because the mean of its divisors is an integer number (776790).

Almost surely, 2^11984220 is an apocalyptic number.

11984220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11984220 is an abundant number, since it is smaller than the sum of its proper divisors (25301700).

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

11984220 is a wasteful number, since it uses less digits than its factorization.

11984220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22211 (or 22203 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 11984220 is about 3461.8232190567. The cubic root of 11984220 is about 228.8424512084.

The spelling of 11984220 in words is "eleven million, nine hundred eighty-four thousand, two hundred twenty".