3823645 has 16 divisors (see below), whose sum is σ = 5298048. Its totient is φ = 2594880.

The previous prime is 3823627. The next prime is 3823649. The reversal of 3823645 is 5463283.

3823645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3823645 - 2¹³ = 3815453 is a prime.

It is a super-2 number, since 2×3823645² = 29240522172050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3823649) 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 15 ways as a sum of consecutive naturals, for example, 3235 + ... + 4255.

It is an arithmetic number, because the mean of its divisors is an integer number (331128).

Almost surely, 2^3823645 is an apocalyptic number.

3823645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3823645 is a deficient number, since it is larger than the sum of its proper divisors (1474403).

3823645 is a wasteful number, since it uses less digits than its factorization.

3823645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140.

The product of its digits is 17280, while the sum is 31.

The square root of 3823645 is about 1955.4142783564. The cubic root of 3823645 is about 156.3720710066.

The spelling of 3823645 in words is "three million, eight hundred twenty-three thousand, six hundred forty-five".