194980 has 12 divisors (see below), whose sum is σ = 409500. Its totient is φ = 77984.

The previous prime is 194977. The next prime is 194981. The reversal of 194980 is 89491.

It can be written as a sum of positive squares in 2 ways, for example, as 47524 + 147456 = 218^2 + 384^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194981) 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, 4855 + ... + 4894.

It is an arithmetic number, because the mean of its divisors is an integer number (34125).

2¹⁹⁴⁹⁸⁰ is an apocalyptic number.

194980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194980 is an abundant number, since it is smaller than the sum of its proper divisors (214520).

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

194980 is a wasteful number, since it uses less digits than its factorization.

194980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9758 (or 9756 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 194980 is about 441.5653971950. The cubic root of 194980 is about 57.9869173822.

The spelling of 194980 in words is "one hundred ninety-four thousand, nine hundred eighty".