1081384 has 8 divisors (see below), whose sum is σ = 2027610. Its totient is φ = 540688.

The previous prime is 1081369. The next prime is 1081403. The reversal of 1081384 is 4831801.

It can be written as a sum of positive squares in only one way, i.e., 605284 + 476100 = 778^2 + 690^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67579 + ... + 67594.

2^1081384 is an apocalyptic number.

It is an amenable number.

1081384 is a deficient number, since it is larger than the sum of its proper divisors (946226).

1081384 is a wasteful number, since it uses less digits than its factorization.

1081384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135179 (or 135175 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 1081384 is about 1039.8961486610. The cubic root of 1081384 is about 102.6423641434.

The spelling of 1081384 in words is "one million, eighty-one thousand, three hundred eighty-four".