1002385 has 16 divisors (see below), whose sum is σ = 1290240. Its totient is φ = 745920.

The previous prime is 1002377. The next prime is 1002403. The reversal of 1002385 is 5832001.

It is a happy number.

It is not a de Polignac number, because 1002385 - 2³ = 1002377 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4384 + ... + 4606.

It is an arithmetic number, because the mean of its divisors is an integer number (80640).

2^1002385 is an apocalyptic number.

It is an amenable number.

1002385 is a deficient number, since it is larger than the sum of its proper divisors (287855).

1002385 is a wasteful number, since it uses less digits than its factorization.

1002385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1002385 is about 1001.1917898185. The cubic root of 1002385 is about 100.0794368811.

Adding to 1002385 its reverse (5832001), we get a palindrome (6834386).

It can be divided in two parts, 100 and 2385, that added together give a triangular number (2485 = T₇₀).

The spelling of 1002385 in words is "one million, two thousand, three hundred eighty-five".