1897134 has 8 divisors (see below), whose sum is σ = 3794280. Its totient is φ = 632376.

The previous prime is 1897127. The next prime is 1897139. The reversal of 1897134 is 4317981.

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

1897134 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1897095 and 1897104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1897139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158089 + ... + 158100.

It is an arithmetic number, because the mean of its divisors is an integer number (474285).

2^1897134 is an apocalyptic number.

1897134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1897134 is a wasteful number, since it uses less digits than its factorization.

1897134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316194.

The product of its digits is 6048, while the sum is 33.

The square root of 1897134 is about 1377.3648754052. The cubic root of 1897134 is about 123.7939258409.

The spelling of 1897134 in words is "one million, eight hundred ninety-seven thousand, one hundred thirty-four".