219948 has 12 divisors (see below), whose sum is σ = 513240. Its totient is φ = 73312.

The previous prime is 219943. The next prime is 219953. The reversal of 219948 is 849912.

It is an interprime number because it is at equal distance from previous prime (219943) and next prime (219953).

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (219941) by changing a digit.

219948 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 3 ways as a sum of consecutive naturals, for example, 9153 + ... + 9176.

It is an arithmetic number, because the mean of its divisors is an integer number (42770).

2²¹⁹⁹⁴⁸ is an apocalyptic number.

It is an amenable number.

219948 is an abundant number, since it is smaller than the sum of its proper divisors (293292).

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

219948 is a wasteful number, since it uses less digits than its factorization.

219948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18336 (or 18334 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 219948 is about 468.9861405202. The cubic root of 219948 is about 60.3633507181.

The spelling of 219948 in words is "two hundred nineteen thousand, nine hundred forty-eight".