218467368 has 80 divisors (see below), whose sum is σ = 699341280. Its totient is φ = 62417952.

The previous prime is 218467367. The next prime is 218467373. The reversal of 218467368 is 863764812.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (218467367) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19546 + ... + 28617.

It is an arithmetic number, because the mean of its divisors is an integer number (8741766).

Almost surely, 2^218467368 is an apocalyptic number.

218467368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

218467368 is an abundant number, since it is smaller than the sum of its proper divisors (480873912).

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

218467368 is a wasteful number, since it uses less digits than its factorization.

218467368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48188 (or 48175 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 218467368 is about 14780.6416640145. The cubic root of 218467368 is about 602.2759557926.

The spelling of 218467368 in words is "two hundred eighteen million, four hundred sixty-seven thousand, three hundred sixty-eight".