3948765 has 16 divisors (see below), whose sum is σ = 6438528. Its totient is φ = 2065856.

The previous prime is 3948731. The next prime is 3948781. The reversal of 3948765 is 5678493.

It is a happy number.

3948765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3948765 - 2⁶ = 3948701 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1689 + ... + 3278.

It is an arithmetic number, because the mean of its divisors is an integer number (402408).

Almost surely, 2^3948765 is an apocalyptic number.

It is an amenable number.

3948765 is a deficient number, since it is larger than the sum of its proper divisors (2489763).

3948765 is a wasteful number, since it uses less digits than its factorization.

3948765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5028.

The product of its digits is 181440, while the sum is 42.

The square root of 3948765 is about 1987.1499691770. The cubic root of 3948765 is about 158.0594365925.

The spelling of 3948765 in words is "three million, nine hundred forty-eight thousand, seven hundred sixty-five".