1894164 has 24 divisors (see below), whose sum is σ = 4572960. Its totient is φ = 609504.

The previous prime is 1894163. The next prime is 1894171. The reversal of 1894164 is 4614981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1894163) 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 7 ways as a sum of consecutive naturals, for example, 2374 + ... + 3069.

It is an arithmetic number, because the mean of its divisors is an integer number (190540).

2^1894164 is an apocalyptic number.

It is an amenable number.

1894164 is an abundant number, since it is smaller than the sum of its proper divisors (2678796).

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

1894164 is a wasteful number, since it uses less digits than its factorization.

1894164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5479 (or 5477 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 1894164 is about 1376.2863074230. The cubic root of 1894164 is about 123.7292915047.

It can be divided in two parts, 189416 and 4, that added together give a triangular number (189420 = T₆₁₅).

The spelling of 1894164 in words is "one million, eight hundred ninety-four thousand, one hundred sixty-four".