3825009 has 8 divisors (see below), whose sum is σ = 5666720. Its totient is φ = 2549988.

The previous prime is 3824999. The next prime is 3825011. The reversal of 3825009 is 9005283.

It is not a de Polignac number, because 3825009 - 2⁴ = 3824993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 141667 = 3825009 / (3 + 8 + 2 + 5 + 0 + 0 + 9).

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (3825049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70807 + ... + 70860.

It is an arithmetic number, because the mean of its divisors is an integer number (708340).

Almost surely, 2^3825009 is an apocalyptic number.

It is an amenable number.

3825009 is a deficient number, since it is larger than the sum of its proper divisors (1841711).

3825009 is a wasteful number, since it uses less digits than its factorization.

3825009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141676 (or 141670 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 3825009 is about 1955.7630224544. The cubic root of 3825009 is about 156.3906628780.

The spelling of 3825009 in words is "three million, eight hundred twenty-five thousand, nine".