1383842 has 4 divisors (see below), whose sum is σ = 2075766. Its totient is φ = 691920.

The previous prime is 1383829. The next prime is 1383853. The reversal of 1383842 is 2483831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2483831 = 7 ⋅354833.

It can be written as a sum of positive squares in only one way, i.e., 1142761 + 241081 = 1069^2 + 491^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345959 + ... + 345962.

2^1383842 is an apocalyptic number.

1383842 is a deficient number, since it is larger than the sum of its proper divisors (691924).

1383842 is an equidigital number, since it uses as much as digits as its factorization.

1383842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691923.

The product of its digits is 4608, while the sum is 29.

The square root of 1383842 is about 1176.3681396570. The cubic root of 1383842 is about 111.4368521757.

The spelling of 1383842 in words is "one million, three hundred eighty-three thousand, eight hundred forty-two".