218862948 has 48 divisors (see below), whose sum is σ = 524201216. Its totient is φ = 71033760.

The previous prime is 218862929. The next prime is 218862983. The reversal of 218862948 is 849268812.

It is a junction number, because it is equal to n+sod(n) for n = 218862897 and 218862906.

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 15 ways as a sum of consecutive naturals, for example, 269463 + ... + 270273.

Almost surely, 2^218862948 is an apocalyptic number.

It is an amenable number.

218862948 is an abundant number, since it is smaller than the sum of its proper divisors (305338268).

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

218862948 is a wasteful number, since it uses less digits than its factorization.

218862948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384 (or 1382 counting only the distinct ones).

The product of its digits is 442368, while the sum is 48.

The square root of 218862948 is about 14794.0173043024. The cubic root of 218862948 is about 602.6392513427.

The spelling of 218862948 in words is "two hundred eighteen million, eight hundred sixty-two thousand, nine hundred forty-eight".