189950 has 24 divisors (see below), whose sum is σ = 368280. Its totient is φ = 72800.

The previous prime is 189949. The next prime is 189961. The reversal of 189950 is 59981.

189950 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1385 + ... + 1515.

It is an arithmetic number, because the mean of its divisors is an integer number (15345).

2¹⁸⁹⁹⁵⁰ is an apocalyptic number.

189950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189950 is a deficient number, since it is larger than the sum of its proper divisors (178330).

189950 is a wasteful number, since it uses less digits than its factorization.

189950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 189950 is about 435.8325366468. The cubic root of 189950 is about 57.4839274549.

The spelling of 189950 in words is "one hundred eighty-nine thousand, nine hundred fifty".