1380433 has 4 divisors (see below), whose sum is σ = 1417780. Its totient is φ = 1343088.

The previous prime is 1380427. The next prime is 1380439. The reversal of 1380433 is 3340831.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1380427) and next prime (1380439).

It can be written as a sum of positive squares in 2 ways, for example, as 986049 + 394384 = 993^2 + 628^2 .

It is a cyclic number.

It is not a de Polignac number, because 1380433 - 2¹⁷ = 1249361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1380439) 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 3 ways as a sum of consecutive naturals, for example, 18618 + ... + 18691.

It is an arithmetic number, because the mean of its divisors is an integer number (354445).

2^1380433 is an apocalyptic number.

It is an amenable number.

1380433 is a deficient number, since it is larger than the sum of its proper divisors (37347).

1380433 is an equidigital number, since it uses as much as digits as its factorization.

1380433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37346.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1380433 is about 1174.9182950316. The cubic root of 1380433 is about 111.3452712487.

The spelling of 1380433 in words is "one million, three hundred eighty thousand, four hundred thirty-three".