1380936 has 32 divisors (see below), whose sum is σ = 3483360. Its totient is φ = 456192.

The previous prime is 1380931. The next prime is 1380947. The reversal of 1380936 is 6390831.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (1380931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3736 + ... + 4088.

It is an arithmetic number, because the mean of its divisors is an integer number (108855).

2^1380936 is an apocalyptic number.

It is an amenable number.

1380936 is an abundant number, since it is smaller than the sum of its proper divisors (2102424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1380936 is a wasteful number, since it uses less digits than its factorization.

1380936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 1380936 is about 1175.1323329736. The cubic root of 1380936 is about 111.3587935445.

The spelling of 1380936 in words is "one million, three hundred eighty thousand, nine hundred thirty-six".