1385962538 has 16 divisors (see below), whose sum is σ = 2099368800. Its totient is φ = 686202000.

The previous prime is 1385962511. The next prime is 1385962549. The reversal of 1385962538 is 8352695831.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91613 + ... + 105663.

It is an arithmetic number, because the mean of its divisors is an integer number (131210550).

Almost surely, 2^1385962538 is an apocalyptic number.

1385962538 is a deficient number, since it is larger than the sum of its proper divisors (713406262).

1385962538 is a wasteful number, since it uses less digits than its factorization.

1385962538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14533.

The product of its digits is 1555200, while the sum is 50.

The square root of 1385962538 is about 37228.5178055748. The cubic root of 1385962538 is about 1114.9374342017.

The spelling of 1385962538 in words is "one billion, three hundred eighty-five million, nine hundred sixty-two thousand, five hundred thirty-eight".