3854945 has 8 divisors (see below), whose sum is σ = 4691520. Its totient is φ = 3040240.

The previous prime is 3854933. The next prime is 3854947. The reversal of 3854945 is 5494583.

It is a happy number.

3854945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3854945 - 2¹⁴ = 3838561 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 3854899 and 3854908.

It is not an unprimeable number, because it can be changed into a prime (3854947) 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 7 ways as a sum of consecutive naturals, for example, 5075 + ... + 5784.

It is an arithmetic number, because the mean of its divisors is an integer number (586440).

Almost surely, 2^3854945 is an apocalyptic number.

It is an amenable number.

3854945 is a deficient number, since it is larger than the sum of its proper divisors (836575).

3854945 is a wasteful number, since it uses less digits than its factorization.

3854945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10935.

The product of its digits is 86400, while the sum is 38.

The square root of 3854945 is about 1963.4013853515. The cubic root of 3854945 is about 156.7975943899.

The spelling of 3854945 in words is "three million, eight hundred fifty-four thousand, nine hundred forty-five".