1438201 has 4 divisors (see below), whose sum is σ = 1441012. Its totient is φ = 1435392.

The previous prime is 1438181. The next prime is 1438207. The reversal of 1438201 is 1028341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1028341 = 37 ⋅27793.

It can be written as a sum of positive squares in 2 ways, for example, as 230400 + 1207801 = 480^2 + 1099^2 .

It is a cyclic number.

It is not a de Polignac number, because 1438201 - 2⁵ = 1438169 is a prime.

It is a Duffinian number.

1438201 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1438207) 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, 396 + ... + 1741.

It is an arithmetic number, because the mean of its divisors is an integer number (360253).

2^1438201 is an apocalyptic number.

It is an amenable number.

1438201 is a deficient number, since it is larger than the sum of its proper divisors (2811).

1438201 is an equidigital number, since it uses as much as digits as its factorization.

1438201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1438201 is about 1199.2501824057. The cubic root of 1438201 is about 112.8772782074.

The spelling of 1438201 in words is "one million, four hundred thirty-eight thousand, two hundred one".