1891852 has 6 divisors (see below), whose sum is σ = 3310748. Its totient is φ = 945924.

The previous prime is 1891843. The next prime is 1891859. The reversal of 1891852 is 2581981.

It is not an unprimeable number, because it can be changed into a prime (1891859) 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, 236478 + ... + 236485.

2^1891852 is an apocalyptic number.

It is an amenable number.

1891852 is a deficient number, since it is larger than the sum of its proper divisors (1418896).

1891852 is a wasteful number, since it uses less digits than its factorization.

1891852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472967 (or 472965 counting only the distinct ones).

The product of its digits is 5760, while the sum is 34.

The square root of 1891852 is about 1375.4461094496. The cubic root of 1891852 is about 123.6789300455.

The spelling of 1891852 in words is "one million, eight hundred ninety-one thousand, eight hundred fifty-two".