1418605 has 4 divisors (see below), whose sum is σ = 1702332. Its totient is φ = 1134880.

The previous prime is 1418581. The next prime is 1418611. The reversal of 1418605 is 5068141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 799236 + 619369 = 894^2 + 787^2 .

It is not a de Polignac number, because 1418605 - 2⁹ = 1418093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1418605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141856 + ... + 141865.

It is an arithmetic number, because the mean of its divisors is an integer number (425583).

2^1418605 is an apocalyptic number.

It is an amenable number.

1418605 is a deficient number, since it is larger than the sum of its proper divisors (283727).

1418605 is an equidigital number, since it uses as much as digits as its factorization.

1418605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283726.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1418605 is about 1191.0520559573. The cubic root of 1418605 is about 112.3622676588.

The spelling of 1418605 in words is "one million, four hundred eighteen thousand, six hundred five".