1818379 has 2 divisors, whose sum is σ = 1818380. Its totient is φ = 1818378.

The previous prime is 1818373. The next prime is 1818407. The reversal of 1818379 is 9738181.

It is a weak prime.

It is an emirp because it is prime and its reverse (9738181) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1818379 - 2⁵ = 1818347 is a prime.

It is not a weakly prime, because it can be changed into another prime (1818373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 909189 + 909190.

It is an arithmetic number, because the mean of its divisors is an integer number (909190).

2^1818379 is an apocalyptic number.

1818379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1818379 is an equidigital number, since it uses as much as digits as its factorization.

1818379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 37.

The square root of 1818379 is about 1348.4728399193. The cubic root of 1818379 is about 122.0566564762.

It can be divided in two parts, 1818 and 379, that added together give a cube (2197 = 13³).

The spelling of 1818379 in words is "one million, eight hundred eighteen thousand, three hundred seventy-nine".