1385895 has 32 divisors (see below), whose sum is σ = 2585088. Its totient is φ = 620928.

The previous prime is 1385893. The next prime is 1385899. The reversal of 1385895 is 5985831.

It is not a de Polignac number, because 1385895 - 2¹ = 1385893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6937 + ... + 7133.

It is an arithmetic number, because the mean of its divisors is an integer number (80784).

2^1385895 is an apocalyptic number.

1385895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1385895 is a deficient number, since it is larger than the sum of its proper divisors (1199193).

1385895 is a wasteful number, since it uses less digits than its factorization.

1385895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279.

The product of its digits is 43200, while the sum is 39.

The square root of 1385895 is about 1177.2404172470. The cubic root of 1385895 is about 111.4919323595.

The spelling of 1385895 in words is "one million, three hundred eighty-five thousand, eight hundred ninety-five".