1385496418 has 4 divisors (see below), whose sum is σ = 2078244630. Its totient is φ = 692748208.

The previous prime is 1385496403. The next prime is 1385496449. The reversal of 1385496418 is 8146945831.

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: 8146945831 = 47 ⋅173339273.

It can be written as a sum of positive squares in only one way, i.e., 1207354009 + 178142409 = 34747^2 + 13347^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346374103 + ... + 346374106.

Almost surely, 2^1385496418 is an apocalyptic number.

1385496418 is a deficient number, since it is larger than the sum of its proper divisors (692748212).

1385496418 is an equidigital number, since it uses as much as digits as its factorization.

1385496418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692748211.

The product of its digits is 829440, while the sum is 49.

The square root of 1385496418 is about 37222.2570245277. The cubic root of 1385496418 is about 1114.8124301236.

The spelling of 1385496418 in words is "one billion, three hundred eighty-five million, four hundred ninety-six thousand, four hundred eighteen".