3824865 has 24 divisors (see below), whose sum is σ = 7233408. Its totient is φ = 1854240.

The previous prime is 3824861. The next prime is 3824867. The reversal of 3824865 is 5684283.

It is not a de Polignac number, because 3824865 - 2² = 3824861 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

3824865 is a lucky number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (3824861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3369 + ... + 4358.

It is an arithmetic number, because the mean of its divisors is an integer number (301392).

Almost surely, 2^3824865 is an apocalyptic number.

It is an amenable number.

3824865 is a deficient number, since it is larger than the sum of its proper divisors (3408543).

3824865 is a wasteful number, since it uses less digits than its factorization.

3824865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7749 (or 7746 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 3824865 is about 1955.7262078318. The cubic root of 3824865 is about 156.3887003085.

The spelling of 3824865 in words is "three million, eight hundred twenty-four thousand, eight hundred sixty-five".