1113984 has 48 divisors (see below), whose sum is σ = 3208920. Its totient is φ = 370944.

The previous prime is 1113971. The next prime is 1113991. The reversal of 1113984 is 4893111.

It is a tau number, because it is divible by the number of its divisors (48).

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 nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 669 + ... + 1635.

2^1113984 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 1113984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1604460).

1113984 is an abundant number, since it is smaller than the sum of its proper divisors (2094936).

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

1113984 is an equidigital number, since it uses as much as digits as its factorization.

1113984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987 (or 972 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 1113984 is about 1055.4544045102. The cubic root of 1113984 is about 103.6636073763.

It can be divided in two parts, 111 and 3984, that added together give a triangular number (4095 = T₉₀).

The spelling of 1113984 in words is "one million, one hundred thirteen thousand, nine hundred eighty-four".