218950 has 24 divisors (see below), whose sum is σ = 424080. Its totient is φ = 84000.

The previous prime is 218947. The next prime is 218963. The reversal of 218950 is 59812.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1375 + ... + 1525.

It is an arithmetic number, because the mean of its divisors is an integer number (17670).

2²¹⁸⁹⁵⁰ is an apocalyptic number.

218950 is a deficient number, since it is larger than the sum of its proper divisors (205130).

218950 is a wasteful number, since it uses less digits than its factorization.

218950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 218950 is about 467.9209334920. The cubic root of 218950 is about 60.2719139996.

The spelling of 218950 in words is "two hundred eighteen thousand, nine hundred fifty".