3827945 has 16 divisors (see below), whose sum is σ = 5080320. Its totient is φ = 2745600.

The previous prime is 3827939. The next prime is 3827947. The reversal of 3827945 is 5497283.

It is not a de Polignac number, because 3827945 - 2⁶ = 3827881 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3827899 and 3827908.

It is not an unprimeable number, because it can be changed into a prime (3827947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3905 + ... + 4785.

It is an arithmetic number, because the mean of its divisors is an integer number (317520).

Almost surely, 2^3827945 is an apocalyptic number.

It is an amenable number.

3827945 is a deficient number, since it is larger than the sum of its proper divisors (1252375).

3827945 is a wasteful number, since it uses less digits than its factorization.

3827945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976.

The product of its digits is 60480, while the sum is 38.

The square root of 3827945 is about 1956.5134806589. The cubic root of 3827945 is about 156.4306667538.

The spelling of 3827945 in words is "three million, eight hundred twenty-seven thousand, nine hundred forty-five".