1395418 has 16 divisors (see below), whose sum is σ = 2181960. Its totient is φ = 668736.

The previous prime is 1395413. The next prime is 1395419. The reversal of 1395418 is 8145931.

It can be written as a sum of positive squares in 4 ways, for example, as 1352569 + 42849 = 1163^2 + 207^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1395418.

It is not an unprimeable number, because it can be changed into a prime (1395413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7980 + ... + 8152.

2^1395418 is an apocalyptic number.

1395418 is a deficient number, since it is larger than the sum of its proper divisors (786542).

1395418 is a wasteful number, since it uses less digits than its factorization.

1395418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321.

The product of its digits is 4320, while the sum is 31.

The square root of 1395418 is about 1181.2781213584. The cubic root of 1395418 is about 111.7467171852.

The spelling of 1395418 in words is "one million, three hundred ninety-five thousand, four hundred eighteen".