1078984 has 8 divisors (see below), whose sum is σ = 2023110. Its totient is φ = 539488.

The previous prime is 1078981. The next prime is 1078993. The reversal of 1078984 is 4898701.

It can be written as a sum of positive squares in only one way, i.e., 956484 + 122500 = 978^2 + 350^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1078981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67429 + ... + 67444.

2^1078984 is an apocalyptic number.

It is an amenable number.

1078984 is a deficient number, since it is larger than the sum of its proper divisors (944126).

1078984 is a wasteful number, since it uses less digits than its factorization.

1078984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134879 (or 134875 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 1078984 is about 1038.7415462953. The cubic root of 1078984 is about 102.5663738258.

The spelling of 1078984 in words is "one million, seventy-eight thousand, nine hundred eighty-four".