11984490 has 128 divisors (see below), whose sum is σ = 38776320. Its totient is φ = 2571264.

The previous prime is 11984471. The next prime is 11984513. The reversal of 11984490 is 9448911.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31944 + ... + 32316.

It is an arithmetic number, because the mean of its divisors is an integer number (302940).

Almost surely, 2^11984490 is an apocalyptic number.

11984490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11984490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19388160).

11984490 is an abundant number, since it is smaller than the sum of its proper divisors (26791830).

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

11984490 is a wasteful number, since it uses less digits than its factorization.

11984490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 11984490 is about 3461.8622156290. The cubic root of 11984490 is about 228.8441697738.

The spelling of 11984490 in words is "eleven million, nine hundred eighty-four thousand, four hundred ninety".