984161 has 4 divisors (see below), whose sum is σ = 993300. Its totient is φ = 975024.

The previous prime is 984149. The next prime is 984167. The reversal of 984161 is 161489.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 161489 = 167 ⋅967.

It can be written as a sum of positive squares in 2 ways, for example, as 891136 + 93025 = 944^2 + 305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-984161 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 984161.

It is not an unprimeable number, because it can be changed into a prime (984167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4406 + ... + 4623.

It is an arithmetic number, because the mean of its divisors is an integer number (248325).

2⁹⁸⁴¹⁶¹ is an apocalyptic number.

It is an amenable number.

984161 is a deficient number, since it is larger than the sum of its proper divisors (9139).

984161 is a wasteful number, since it uses less digits than its factorization.

984161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9138.

The product of its digits is 1728, while the sum is 29.

The square root of 984161 is about 992.0488899243. The cubic root of 984161 is about 99.4692210549.

The spelling of 984161 in words is "nine hundred eighty-four thousand, one hundred sixty-one".