818338368 has 28 divisors (see below), whose sum is σ = 2165187440. Its totient is φ = 272779392.

The previous prime is 818338349. The next prime is 818338373. The reversal of 818338368 is 863833818.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2130898 + ... + 2131281.

Almost surely, 2^818338368 is an apocalyptic number.

It is an amenable number.

818338368 is an abundant number, since it is smaller than the sum of its proper divisors (1346849072).

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

818338368 is a wasteful number, since it uses less digits than its factorization.

818338368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4262194 (or 4262184 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The square root of 818338368 is about 28606.6140603882. The cubic root of 818338368 is about 935.3575107233.

The spelling of 818338368 in words is "eight hundred eighteen million, three hundred thirty-eight thousand, three hundred sixty-eight".