1441391 has 4 divisors (see below), whose sum is σ = 1647312. Its totient is φ = 1235472.

The previous prime is 1441381. The next prime is 1441411. The reversal of 1441391 is 1931441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1931441 = 151 ⋅12791.

It is not a de Polignac number, because 1441391 - 2⁶ = 1441327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1441301) 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, 102950 + ... + 102963.

It is an arithmetic number, because the mean of its divisors is an integer number (411828).

2^1441391 is an apocalyptic number.

1441391 is a deficient number, since it is larger than the sum of its proper divisors (205921).

1441391 is an equidigital number, since it uses as much as digits as its factorization.

1441391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205920.

The product of its digits is 432, while the sum is 23.

The square root of 1441391 is about 1200.5794434355. The cubic root of 1441391 is about 112.9606723508.

The spelling of 1441391 in words is "one million, four hundred forty-one thousand, three hundred ninety-one".