1392438083 has 4 divisors (see below), whose sum is σ = 1424820408. Its totient is φ = 1360055760.

The previous prime is 1392438071. The next prime is 1392438107. The reversal of 1392438083 is 3808342931.

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

It is a cyclic number.

It is not a de Polignac number, because 1392438083 - 2²⁶ = 1325329219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1392438083.

It is not an unprimeable number, because it can be changed into a prime (1392438283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16191098 + ... + 16191183.

It is an arithmetic number, because the mean of its divisors is an integer number (356205102).

Almost surely, 2^1392438083 is an apocalyptic number.

1392438083 is a deficient number, since it is larger than the sum of its proper divisors (32382325).

1392438083 is an equidigital number, since it uses as much as digits as its factorization.

1392438083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32382324.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 1392438083 is about 37315.3866789559. The cubic root of 1392438083 is about 1116.6711540722.

The spelling of 1392438083 in words is "one billion, three hundred ninety-two million, four hundred thirty-eight thousand, eighty-three".