1384401 has 4 divisors (see below), whose sum is σ = 1845872. Its totient is φ = 922932.

The previous prime is 1384391. The next prime is 1384403. The reversal of 1384401 is 1044831.

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 1384401 - 2⁶ = 1384337 is a prime.

It is a super-2 number, since 2×1384401² = 3833132257602, which contains 22 as substring.

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 (1384403) 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, 230731 + ... + 230736.

It is an arithmetic number, because the mean of its divisors is an integer number (461468).

2^1384401 is an apocalyptic number.

It is an amenable number.

1384401 is a deficient number, since it is larger than the sum of its proper divisors (461471).

1384401 is an equidigital number, since it uses as much as digits as its factorization.

1384401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461470.

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

The square root of 1384401 is about 1176.6057113579. The cubic root of 1384401 is about 111.4518550480.

The spelling of 1384401 in words is "one million, three hundred eighty-four thousand, four hundred one".