3823445 has 4 divisors (see below), whose sum is σ = 4588140. Its totient is φ = 3058752.

The previous prime is 3823441. The next prime is 3823459. The reversal of 3823445 is 5443283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5443283 = 41 ⋅132763.

It can be written as a sum of positive squares in 2 ways, for example, as 1240996 + 2582449 = 1114^2 + 1607^2 .

It is a cyclic number.

It is not a de Polignac number, because 3823445 - 2² = 3823441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3823441) 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 3 ways as a sum of consecutive naturals, for example, 382340 + ... + 382349.

It is an arithmetic number, because the mean of its divisors is an integer number (1147035).

Almost surely, 2^3823445 is an apocalyptic number.

It is an amenable number.

3823445 is a deficient number, since it is larger than the sum of its proper divisors (764695).

3823445 is an equidigital number, since it uses as much as digits as its factorization.

3823445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764694.

The product of its digits is 11520, while the sum is 29.

The square root of 3823445 is about 1955.3631376294. The cubic root of 3823445 is about 156.3693445541.

The spelling of 3823445 in words is "three million, eight hundred twenty-three thousand, four hundred forty-five".