1385481 has 8 divisors (see below), whose sum is σ = 1861344. Its totient is φ = 916640.

The previous prime is 1385479. The next prime is 1385507. The reversal of 1385481 is 1845831.

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 1385481 - 2¹ = 1385479 is a prime.

It is a super-2 number, since 2×1385481² = 3839115202722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1385401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1275 + ... + 2096.

It is an arithmetic number, because the mean of its divisors is an integer number (232668).

2^1385481 is an apocalyptic number.

It is an amenable number.

1385481 is a deficient number, since it is larger than the sum of its proper divisors (475863).

1385481 is a wasteful number, since it uses less digits than its factorization.

1385481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511.

The product of its digits is 3840, while the sum is 30.

The square root of 1385481 is about 1177.0645691720. The cubic root of 1385481 is about 111.4808294845.

The spelling of 1385481 in words is "one million, three hundred eighty-five thousand, four hundred eighty-one".