818828468 has 12 divisors (see below), whose sum is σ = 1438278660. Its totient is φ = 407891712.

The previous prime is 818828467. The next prime is 818828509. The reversal of 818828468 is 864828818.

It can be written as a sum of positive squares in 2 ways, for example, as 433805584 + 385022884 = 20828^2 + 19622^2 .

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818828467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379421 + ... + 381572.

It is an arithmetic number, because the mean of its divisors is an integer number (119856555).

Almost surely, 2^818828468 is an apocalyptic number.

It is an amenable number.

818828468 is a deficient number, since it is larger than the sum of its proper divisors (619450192).

818828468 is a wasteful number, since it uses less digits than its factorization.

818828468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761266 (or 761264 counting only the distinct ones).

The product of its digits is 1572864, while the sum is 53.

The square root of 818828468 is about 28615.1789789964. The cubic root of 818828468 is about 935.5442009113.

The spelling of 818828468 in words is "eight hundred eighteen million, eight hundred twenty-eight thousand, four hundred sixty-eight".