1938164 has 12 divisors (see below), whose sum is σ = 3539424. Its totient is φ = 926904.

The previous prime is 1938163. The next prime is 1938173. The reversal of 1938164 is 4618391.

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 1938164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1938161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10442 + ... + 10625.

It is an arithmetic number, because the mean of its divisors is an integer number (294952).

2^1938164 is an apocalyptic number.

It is an amenable number.

1938164 is a deficient number, since it is larger than the sum of its proper divisors (1601260).

1938164 is a wasteful number, since it uses less digits than its factorization.

1938164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21094 (or 21092 counting only the distinct ones).

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

The square root of 1938164 is about 1392.1795861167. The cubic root of 1938164 is about 124.6800135684.

It can be divided in two parts, 19 and 38164, that added together give a palindrome (38183).

The spelling of 1938164 in words is "one million, nine hundred thirty-eight thousand, one hundred sixty-four".