1641852 has 36 divisors (see below), whose sum is σ = 4226040. Its totient is φ = 537312.

The previous prime is 1641841. The next prime is 1641863. The reversal of 1641852 is 2581461.

It is an interprime number because it is at equal distance from previous prime (1641841) and next prime (1641863).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1738 + ... + 2510.

It is an arithmetic number, because the mean of its divisors is an integer number (117390).

2^1641852 is an apocalyptic number.

1641852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1641852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2113020).

1641852 is an abundant number, since it is smaller than the sum of its proper divisors (2584188).

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

1641852 is a wasteful number, since it uses less digits than its factorization.

1641852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842 (or 837 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 1641852 is about 1281.3477279802. The cubic root of 1641852 is about 117.9717446472.

It can be divided in two parts, 164 and 1852, that added together give a triangular number (2016 = T₆₃).

The spelling of 1641852 in words is "one million, six hundred forty-one thousand, eight hundred fifty-two".