1938895 has 16 divisors (see below), whose sum is σ = 2746368. Its totient is φ = 1285920.

The previous prime is 1938889. The next prime is 1938907. The reversal of 1938895 is 5988391.

It is not a de Polignac number, because 1938895 - 2³ = 1938887 is a prime.

It is a Duffinian number.

1938895 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192 + ... + 1978.

It is an arithmetic number, because the mean of its divisors is an integer number (171648).

2^1938895 is an apocalyptic number.

1938895 is a deficient number, since it is larger than the sum of its proper divisors (807473).

1938895 is a wasteful number, since it uses less digits than its factorization.

1938895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830.

The product of its digits is 77760, while the sum is 43.

The square root of 1938895 is about 1392.4420993348. The cubic root of 1938895 is about 124.6956864138.

The spelling of 1938895 in words is "one million, nine hundred thirty-eight thousand, eight hundred ninety-five".