3893145 has 16 divisors (see below), whose sum is σ = 6253632. Its totient is φ = 2068160.

The previous prime is 3893137. The next prime is 3893159. The reversal of 3893145 is 5413983.

It is not a de Polignac number, because 3893145 - 2³ = 3893137 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6634 + ... + 7196.

It is an arithmetic number, because the mean of its divisors is an integer number (390852).

Almost surely, 2^3893145 is an apocalyptic number.

It is an amenable number.

3893145 is a deficient number, since it is larger than the sum of its proper divisors (2360487).

3893145 is a wasteful number, since it uses less digits than its factorization.

3893145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032.

The product of its digits is 12960, while the sum is 33.

The square root of 3893145 is about 1973.1054203970. The cubic root of 3893145 is about 157.3138137511.

The spelling of 3893145 in words is "three million, eight hundred ninety-three thousand, one hundred forty-five".