1380308 has 12 divisors (see below), whose sum is σ = 2455572. Its totient is φ = 678720.

The previous prime is 1380307. The next prime is 1380317. The reversal of 1380308 is 8030831.

It can be written as a sum of positive squares in 2 ways, for example, as 85264 + 1295044 = 292^2 + 1138^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380307) 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 3 ways as a sum of consecutive naturals, for example, 2585 + ... + 3072.

It is an arithmetic number, because the mean of its divisors is an integer number (204631).

2^1380308 is an apocalyptic number.

It is an amenable number.

1380308 is a deficient number, since it is larger than the sum of its proper divisors (1075264).

1380308 is a wasteful number, since it uses less digits than its factorization.

1380308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5722 (or 5720 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1380308 is about 1174.8650986390. The cubic root of 1380308 is about 111.3419103276.

The spelling of 1380308 in words is "one million, three hundred eighty thousand, three hundred eight".