1384091 has 2 divisors, whose sum is σ = 1384092. Its totient is φ = 1384090.

The previous prime is 1384087. The next prime is 1384099. The reversal of 1384091 is 1904831.

It is a weak prime.

It is an emirp because it is prime and its reverse (1904831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1384091 - 2² = 1384087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1384091.

It is not a weakly prime, because it can be changed into another prime (1384099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692045 + 692046.

It is an arithmetic number, because the mean of its divisors is an integer number (692046).

2^1384091 is an apocalyptic number.

1384091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1384091 is an equidigital number, since it uses as much as digits as its factorization.

1384091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1384091 is about 1176.4739691128. The cubic root of 1384091 is about 111.4435355283.

It can be divided in two parts, 13840 and 91, that added together give a palindrome (13931).

The spelling of 1384091 in words is "one million, three hundred eighty-four thousand, ninety-one".