984169 has 4 divisors (see below), whose sum is σ = 986580. Its totient is φ = 981760.

The previous prime is 984167. The next prime is 984199. The reversal of 984169 is 961489.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 961489 = 109 ⋅8821.

It can be written as a sum of positive squares in 2 ways, for example, as 375769 + 608400 = 613^2 + 780^2 .

It is a cyclic number.

It is not a de Polignac number, because 984169 - 2¹ = 984167 is a prime.

It is a super-2 number, since 2×984169² = 1937177241122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

984169 is a lucky number.

It is a congruent number.

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, 424 + ... + 1465.

It is an arithmetic number, because the mean of its divisors is an integer number (246645).

2⁹⁸⁴¹⁶⁹ is an apocalyptic number.

It is an amenable number.

984169 is a deficient number, since it is larger than the sum of its proper divisors (2411).

984169 is a wasteful number, since it uses less digits than its factorization.

984169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410.

The product of its digits is 15552, while the sum is 37.

The square root of 984169 is about 992.0529219754. The cubic root of 984169 is about 99.4694905744.

The spelling of 984169 in words is "nine hundred eighty-four thousand, one hundred sixty-nine".