1380418 has 8 divisors (see below), whose sum is σ = 2229948. Its totient is φ = 637104.

The previous prime is 1380397. The next prime is 1380419. The reversal of 1380418 is 8140831.

It can be written as a sum of positive squares in 2 ways, for example, as 1375929 + 4489 = 1173^2 + 67^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1380392 and 1380401.

It is not an unprimeable number, because it can be changed into a prime (1380419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26521 + ... + 26572.

2^1380418 is an apocalyptic number.

1380418 is a deficient number, since it is larger than the sum of its proper divisors (849530).

1380418 is a wasteful number, since it uses less digits than its factorization.

1380418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53108.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 1380418 is about 1174.9119115917. The cubic root of 1380418 is about 111.3448679489.

The spelling of 1380418 in words is "one million, three hundred eighty thousand, four hundred eighteen".