1893164 has 36 divisors (see below), whose sum is σ = 4155984. Its totient is φ = 747936.

The previous prime is 1893163. The next prime is 1893173. The reversal of 1893164 is 4613981.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1893164.

It is not an unprimeable number, because it can be changed into a prime (1893163) 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 11 ways as a sum of consecutive naturals, for example, 2177 + ... + 2919.

It is an arithmetic number, because the mean of its divisors is an integer number (115444).

2^1893164 is an apocalyptic number.

1893164 is a gapful number since it is divisible by the number (14) 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 1893164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2077992).

1893164 is an abundant number, since it is smaller than the sum of its proper divisors (2262820).

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

1893164 is a wasteful number, since it uses less digits than its factorization.

1893164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774 (or 765 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 1893164 is about 1375.9229629598. The cubic root of 1893164 is about 123.7075138987.

The spelling of 1893164 in words is "one million, eight hundred ninety-three thousand, one hundred sixty-four".