1383946 has 4 divisors (see below), whose sum is σ = 2075922. Its totient is φ = 691972.

The previous prime is 1383937. The next prime is 1383947. The reversal of 1383946 is 6493831.

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

It can be written as a sum of positive squares in only one way, i.e., 1185921 + 198025 = 1089^2 + 445^2 .

It is not an unprimeable number, because it can be changed into a prime (1383947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345985 + ... + 345988.

2^1383946 is an apocalyptic number.

1383946 is a deficient number, since it is larger than the sum of its proper divisors (691976).

1383946 is an equidigital number, since it uses as much as digits as its factorization.

1383946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691975.

The product of its digits is 15552, while the sum is 34.

The square root of 1383946 is about 1176.4123426758. The cubic root of 1383946 is about 111.4396437136.

The spelling of 1383946 in words is "one million, three hundred eighty-three thousand, nine hundred forty-six".