1938801 has 4 divisors (see below), whose sum is σ = 2585072. Its totient is φ = 1292532.

The previous prime is 1938791. The next prime is 1938803. The reversal of 1938801 is 1088391.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1938801 - 2¹⁰ = 1937777 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1938803) 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, 323131 + ... + 323136.

It is an arithmetic number, because the mean of its divisors is an integer number (646268).

2^1938801 is an apocalyptic number.

It is an amenable number.

1938801 is a deficient number, since it is larger than the sum of its proper divisors (646271).

1938801 is an equidigital number, since it uses as much as digits as its factorization.

1938801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646270.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 1938801 is about 1392.4083452781. The cubic root of 1938801 is about 124.6936712481.

The spelling of 1938801 in words is "one million, nine hundred thirty-eight thousand, eight hundred one".