1938133 has 8 divisors (see below), whose sum is σ = 2066400. Its totient is φ = 1812528.

The previous prime is 1938113. The next prime is 1938149. The reversal of 1938133 is 3318391.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1938133 - 2¹⁷ = 1807061 is a prime.

It is a Duffinian number.

1938133 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1938103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 963 + ... + 2191.

It is an arithmetic number, because the mean of its divisors is an integer number (258300).

2^1938133 is an apocalyptic number.

It is an amenable number.

1938133 is a deficient number, since it is larger than the sum of its proper divisors (128267).

1938133 is a wasteful number, since it uses less digits than its factorization.

1938133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331.

The product of its digits is 1944, while the sum is 28.

The square root of 1938133 is about 1392.1684524511. The cubic root of 1938133 is about 124.6793488326.

The spelling of 1938133 in words is "one million, nine hundred thirty-eight thousand, one hundred thirty-three".