1385485493 has 8 divisors (see below), whose sum is σ = 1593127488. Its totient is φ = 1180272384.

The previous prime is 1385485487. The next prime is 1385485501. The reversal of 1385485493 is 3945845831.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1385485493 - 2¹⁶ = 1385419957 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 (1385485403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605996 + ... + 608277.

It is an arithmetic number, because the mean of its divisors is an integer number (199140936).

Almost surely, 2^1385485493 is an apocalyptic number.

It is an amenable number.

1385485493 is a deficient number, since it is larger than the sum of its proper divisors (207641995).

1385485493 is a wasteful number, since it uses less digits than its factorization.

1385485493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214443.

The product of its digits is 2073600, while the sum is 50.

The square root of 1385485493 is about 37222.1102706442. The cubic root of 1385485493 is about 1114.8094999205.

The spelling of 1385485493 in words is "one billion, three hundred eighty-five million, four hundred eighty-five thousand, four hundred ninety-three".