1385093638 has 8 divisors (see below), whose sum is σ = 2077916688. Its totient is φ = 692454744.

The previous prime is 1385093579. The next prime is 1385093639. The reversal of 1385093638 is 8363905831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385093639) 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, 25381 + ... + 58432.

It is an arithmetic number, because the mean of its divisors is an integer number (259739586).

Almost surely, 2^1385093638 is an apocalyptic number.

1385093638 is a deficient number, since it is larger than the sum of its proper divisors (692823050).

1385093638 is an equidigital number, since it uses as much as digits as its factorization.

1385093638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92078.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 1385093638 is about 37216.8461586954. The cubic root of 1385093638 is about 1114.7043899863.

The spelling of 1385093638 in words is "one billion, three hundred eighty-five million, ninety-three thousand, six hundred thirty-eight".