3882845 has 4 divisors (see below), whose sum is σ = 4659420. Its totient is φ = 3106272.

The previous prime is 3882841. The next prime is 3882871. The reversal of 3882845 is 5482883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5482883 = 7 ⋅783269.

It can be written as a sum of positive squares in 2 ways, for example, as 1653796 + 2229049 = 1286^2 + 1493^2 .

It is a cyclic number.

It is not a de Polignac number, because 3882845 - 2² = 3882841 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3882799 and 3882808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3882841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388280 + ... + 388289.

It is an arithmetic number, because the mean of its divisors is an integer number (1164855).

Almost surely, 2^3882845 is an apocalyptic number.

It is an amenable number.

3882845 is a deficient number, since it is larger than the sum of its proper divisors (776575).

3882845 is an equidigital number, since it uses as much as digits as its factorization.

3882845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776574.

The product of its digits is 61440, while the sum is 38.

The square root of 3882845 is about 1970.4935929863. The cubic root of 3882845 is about 157.1749574328.

Adding to 3882845 its sum of digits (38), we get a palindrome (3882883).

The spelling of 3882845 in words is "three million, eight hundred eighty-two thousand, eight hundred forty-five".