1383470839 has 4 divisors (see below), whose sum is σ = 1431176760. Its totient is φ = 1335764920.

The previous prime is 1383470827. The next prime is 1383470843. The reversal of 1383470839 is 9380743831.

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: 9380743831 = 2551 ⋅3677281.

It is a cyclic number.

It is not a de Polignac number, because 1383470839 - 2⁹ = 1383470327 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 (1383470849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23852917 + ... + 23852974.

It is an arithmetic number, because the mean of its divisors is an integer number (357794190).

Almost surely, 2^1383470839 is an apocalyptic number.

1383470839 is a deficient number, since it is larger than the sum of its proper divisors (47705921).

1383470839 is an equidigital number, since it uses as much as digits as its factorization.

1383470839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47705920.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 1383470839 is about 37195.0378276458. The cubic root of 1383470839 is about 1114.2688843902.

The spelling of 1383470839 in words is "one billion, three hundred eighty-three million, four hundred seventy thousand, eight hundred thirty-nine".