1818768 has 40 divisors (see below), whose sum is σ = 5370688. Its totient is φ = 519552.

The previous prime is 1818743. The next prime is 1818769. The reversal of 1818768 is 8678181.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1818769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2371 + ... + 3042.

2^1818768 is an apocalyptic number.

It is an amenable number.

1818768 is an abundant number, since it is smaller than the sum of its proper divisors (3551920).

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

1818768 is a wasteful number, since it uses less digits than its factorization.

1818768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5431 (or 5425 counting only the distinct ones).

The product of its digits is 21504, while the sum is 39.

The square root of 1818768 is about 1348.6170694456. The cubic root of 1818768 is about 122.0653595856.

The spelling of 1818768 in words is "one million, eight hundred eighteen thousand, seven hundred sixty-eight".