3863145 has 32 divisors (see below), whose sum is σ = 7265664. Its totient is φ = 1728000.

The previous prime is 3863107. The next prime is 3863173. The reversal of 3863145 is 5413683.

It is not a de Polignac number, because 3863145 - 2⁷ = 3863017 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1245 + ... + 3045.

It is an arithmetic number, because the mean of its divisors is an integer number (227052).

Almost surely, 2^3863145 is an apocalyptic number.

It is an amenable number.

3863145 is a deficient number, since it is larger than the sum of its proper divisors (3402519).

3863145 is a wasteful number, since it uses less digits than its factorization.

3863145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833.

The product of its digits is 8640, while the sum is 30.

The square root of 3863145 is about 1965.4884889004. The cubic root of 3863145 is about 156.9086923607.

The spelling of 3863145 in words is "three million, eight hundred sixty-three thousand, one hundred forty-five".