218896 has 10 divisors (see below), whose sum is σ = 424142. Its totient is φ = 109440.

The previous prime is 218887. The next prime is 218923. The reversal of 218896 is 698812.

It can be written as a sum of positive squares in only one way, i.e., 215296 + 3600 = 464^2 + 60^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6825 + ... + 6856.

2²¹⁸⁸⁹⁶ is an apocalyptic number.

It is an amenable number.

218896 is a deficient number, since it is larger than the sum of its proper divisors (205246).

218896 is a wasteful number, since it uses less digits than its factorization.

218896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13689 (or 13683 counting only the distinct ones).

The product of its digits is 6912, while the sum is 34.

The square root of 218896 is about 467.8632278775. The cubic root of 218896 is about 60.2669586049.

The spelling of 218896 in words is "two hundred eighteen thousand, eight hundred ninety-six".