219950 has 24 divisors (see below), whose sum is σ = 421848. Its totient is φ = 85280.

The previous prime is 219943. The next prime is 219953. The reversal of 219950 is 59912.

It is a happy number.

219950 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219953) by changing a digit.

219950 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2609 + ... + 2691.

It is an arithmetic number, because the mean of its divisors is an integer number (17577).

2²¹⁹⁹⁵⁰ is an apocalyptic number.

219950 is a deficient number, since it is larger than the sum of its proper divisors (201898).

219950 is a wasteful number, since it uses less digits than its factorization.

219950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 219950 is about 468.9882727745. The cubic root of 219950 is about 60.3635336800.

The spelling of 219950 in words is "two hundred nineteen thousand, nine hundred fifty".