981084 has 48 divisors (see below), whose sum is σ = 2602880. Its totient is φ = 285120.

The previous prime is 981077. The next prime is 981091. The reversal of 981084 is 480189.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (981077) and next prime (981091).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 981084.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2799 + ... + 3129.

2⁹⁸¹⁰⁸⁴ 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 981084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1301440).

981084 is an abundant number, since it is smaller than the sum of its proper divisors (1621796).

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

981084 is a wasteful number, since it uses less digits than its factorization.

981084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 981084 is about 990.4968450227. The cubic root of 981084 is about 99.3654486291.

The spelling of 981084 in words is "nine hundred eighty-one thousand, eighty-four".