218967848 has 16 divisors (see below), whose sum is σ = 447888960. Its totient is φ = 99530800.

The previous prime is 218967829. The next prime is 218967851. The reversal of 218967848 is 848769812.

It is a happy number.

It is a super-2 number, since 2×218967848² = 95893836915502208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 218967848.

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 3 ways as a sum of consecutive naturals, for example, 1244048 + ... + 1244223.

It is an arithmetic number, because the mean of its divisors is an integer number (27993060).

Almost surely, 2^218967848 is an apocalyptic number.

It is an amenable number.

218967848 is an abundant number, since it is smaller than the sum of its proper divisors (228921112).

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

218967848 is a wasteful number, since it uses less digits than its factorization.

218967848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488288 (or 2488284 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 53.

The square root of 218967848 is about 14797.5622316651. The cubic root of 218967848 is about 602.7355167010.

The spelling of 218967848 in words is "two hundred eighteen million, nine hundred sixty-seven thousand, eight hundred forty-eight".