1818752 has 32 divisors (see below), whose sum is σ = 3905580. Its totient is φ = 838656.

The previous prime is 1818743. The next prime is 1818769. The reversal of 1818752 is 2578181.

It is a happy number.

1818752 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in 2 ways, for example, as 1784896 + 33856 = 1336^2 + 184^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

Its product of digits (4480) is a multiple of the sum of its prime factors (1120).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1118 + ... + 2210.

2^1818752 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 1818752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1952790).

1818752 is an abundant number, since it is smaller than the sum of its proper divisors (2086828).

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

1818752 is a wasteful number, since it uses less digits than its factorization.

1818752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120 (or 1108 counting only the distinct ones).

The product of its digits is 4480, while the sum is 32.

The square root of 1818752 is about 1348.6111374299. The cubic root of 1818752 is about 122.0650016415.

The spelling of 1818752 in words is "one million, eight hundred eighteen thousand, seven hundred fifty-two".