1788252 has 12 divisors (see below), whose sum is σ = 4172616. Its totient is φ = 596080.

The previous prime is 1788239. The next prime is 1788253. The reversal of 1788252 is 2528871.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1788253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74499 + ... + 74522.

It is an arithmetic number, because the mean of its divisors is an integer number (347718).

2^1788252 is an apocalyptic number.

1788252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1788252 is an abundant number, since it is smaller than the sum of its proper divisors (2384364).

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

1788252 is a wasteful number, since it uses less digits than its factorization.

1788252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149028 (or 149026 counting only the distinct ones).

The product of its digits is 8960, while the sum is 33.

The square root of 1788252 is about 1337.2553981944. The cubic root of 1788252 is about 121.3788187016.

The spelling of 1788252 in words is "one million, seven hundred eighty-eight thousand, two hundred fifty-two".