1011984 has 40 divisors (see below), whose sum is σ = 2708160. Its totient is φ = 325248.

The previous prime is 1011979. The next prime is 1012007. The reversal of 1011984 is 4891101.

It is a super-2 number, since 2×1011984² = 2048223232512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 16.

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, 1029 + ... + 1755.

It is an arithmetic number, because the mean of its divisors is an integer number (67704).

2^1011984 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 1011984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1354080).

1011984 is an abundant number, since it is smaller than the sum of its proper divisors (1696176).

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

1011984 is a wasteful number, since it uses less digits than its factorization.

1011984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767 (or 761 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 1011984 is about 1005.9741547376. The cubic root of 1011984 is about 100.3978814704.

The spelling of 1011984 in words is "one million, eleven thousand, nine hundred eighty-four".