1812608 has 72 divisors (see below), whose sum is σ = 4462245. Its totient is φ = 731136.

The previous prime is 1812589. The next prime is 1812611. The reversal of 1812608 is 8062181.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 1658944 + 153664 = 1288^2 + 392^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=952.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 106616 + ... + 106632.

2^1812608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1812608

1812608 is an abundant number, since it is smaller than the sum of its proper divisors (2649637).

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

1812608 is an equidigital number, since it uses as much as digits as its factorization.

1812608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 26 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 1812608 is about 1346.3313113792. The cubic root of 1812608 is about 121.9273956610.

Adding to 1812608 its reverse (8062181), we get a palindrome (9874789).

The spelling of 1812608 in words is "one million, eight hundred twelve thousand, six hundred eight".