1380893 has 8 divisors (see below), whose sum is σ = 1513080. Its totient is φ = 1254400.

The previous prime is 1380889. The next prime is 1380913. The reversal of 1380893 is 3980831.

It can be written as a sum of positive squares in 4 ways, for example, as 386884 + 994009 = 622^2 + 997^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1380893 - 2² = 1380889 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 908 + ... + 1893.

It is an arithmetic number, because the mean of its divisors is an integer number (189135).

2^1380893 is an apocalyptic number.

It is an amenable number.

1380893 is a deficient number, since it is larger than the sum of its proper divisors (132187).

1380893 is a wasteful number, since it uses less digits than its factorization.

1380893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2847.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1380893 is about 1175.1140370194. The cubic root of 1380893 is about 111.3576376913.

The spelling of 1380893 in words is "one million, three hundred eighty thousand, eight hundred ninety-three".