1897238 has 16 divisors (see below), whose sum is σ = 3365280. Its totient is φ = 784896.

The previous prime is 1897237. The next prime is 1897243. The reversal of 1897238 is 8327981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1897237) 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, 1931 + ... + 2742.

It is an arithmetic number, because the mean of its divisors is an integer number (210330).

2^1897238 is an apocalyptic number.

1897238 is a deficient number, since it is larger than the sum of its proper divisors (1468042).

1897238 is a wasteful number, since it uses less digits than its factorization.

1897238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4711.

The product of its digits is 24192, while the sum is 38.

The square root of 1897238 is about 1377.4026281375. The cubic root of 1897238 is about 123.7961879080.

The spelling of 1897238 in words is "one million, eight hundred ninety-seven thousand, two hundred thirty-eight".