981204 has 24 divisors (see below), whose sum is σ = 2616768. Its totient is φ = 280320.

The previous prime is 981199. The next prime is 981209. The reversal of 981204 is 402189.

It is an interprime number because it is at equal distance from previous prime (981199) and next prime (981209).

It is a super-2 number, since 2×981204² = 1925522579232, which contains 22 as substring.

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 981204.

It is not an unprimeable number, because it can be changed into a prime (981209) by changing a digit.

981204 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5757 + ... + 5924.

It is an arithmetic number, because the mean of its divisors is an integer number (109032).

2⁹⁸¹²⁰⁴ is an apocalyptic number.

It is an amenable number.

981204 is an abundant number, since it is smaller than the sum of its proper divisors (1635564).

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

981204 is a wasteful number, since it uses less digits than its factorization.

981204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11695 (or 11693 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 981204 is about 990.5574188304. The cubic root of 981204 is about 99.3694997153.

The spelling of 981204 in words is "nine hundred eighty-one thousand, two hundred four".