11401984 has 36 divisors (see below), whose sum is σ = 24834600. Its totient is φ = 5181440.

The previous prime is 11401981. The next prime is 11401987. The reversal of 11401984 is 48910411.

11401984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11401981) and next prime (11401987).

It is not an unprimeable number, because it can be changed into a prime (11401981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792 + ... + 4840.

It is an arithmetic number, because the mean of its divisors is an integer number (689850).

Almost surely, 2^11401984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11401984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12417300).

11401984 is an abundant number, since it is smaller than the sum of its proper divisors (13432616).

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

11401984 is an equidigital number, since it uses as much as digits as its factorization.

11401984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076 (or 4062 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 11401984 is about 3376.6823954882. The cubic root of 11401984 is about 225.0747669219.

The spelling of 11401984 in words is "eleven million, four hundred one thousand, nine hundred eighty-four".