1380441 has 4 divisors (see below), whose sum is σ = 1840592. Its totient is φ = 920292.

The previous prime is 1380439. The next prime is 1380443. The reversal of 1380441 is 1440831.

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 an interprime number because it is at equal distance from previous prime (1380439) and next prime (1380443).

It is not a de Polignac number, because 1380441 - 2¹ = 1380439 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 (1380443) 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, 230071 + ... + 230076.

It is an arithmetic number, because the mean of its divisors is an integer number (460148).

2^1380441 is an apocalyptic number.

It is an amenable number.

1380441 is a deficient number, since it is larger than the sum of its proper divisors (460151).

1380441 is an equidigital number, since it uses as much as digits as its factorization.

1380441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460150.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1380441 is about 1174.9216995187. The cubic root of 1380441 is about 111.3454863407.

The spelling of 1380441 in words is "one million, three hundred eighty thousand, four hundred forty-one".