1381852 has 6 divisors (see below), whose sum is σ = 2418248. Its totient is φ = 690924.

The previous prime is 1381837. The next prime is 1381859. The reversal of 1381852 is 2581831.

It is a self number, because there is not a number n which added to its sum of digits gives 1381852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381859) 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 as a sum of consecutive naturals, namely, 172728 + ... + 172735.

2^1381852 is an apocalyptic number.

It is an amenable number.

1381852 is a deficient number, since it is larger than the sum of its proper divisors (1036396).

1381852 is a wasteful number, since it uses less digits than its factorization.

1381852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345467 (or 345465 counting only the distinct ones).

The product of its digits is 1920, while the sum is 28.

The square root of 1381852 is about 1175.5220117037. The cubic root of 1381852 is about 111.3834102078.

The spelling of 1381852 in words is "one million, three hundred eighty-one thousand, eight hundred fifty-two".