3906853 has 4 divisors (see below), whose sum is σ = 3911308. Its totient is φ = 3902400.

The previous prime is 3906839. The next prime is 3906857. The reversal of 3906853 is 3586093.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1896129 + 2010724 = 1377^2 + 1418^2 .

It is a cyclic number.

It is not a de Polignac number, because 3906853 - 2¹⁷ = 3775781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3906857) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 426 + ... + 2827.

It is an arithmetic number, because the mean of its divisors is an integer number (977827).

Almost surely, 2^3906853 is an apocalyptic number.

It is an amenable number.

3906853 is a deficient number, since it is larger than the sum of its proper divisors (4455).

3906853 is a wasteful number, since it uses less digits than its factorization.

3906853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4454.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 3906853 is about 1976.5760799929. The cubic root of 3906853 is about 157.4982346321.

Adding to 3906853 its product of nonzero digits (19440), we get a palindrome (3926293).

The spelling of 3906853 in words is "three million, nine hundred six thousand, eight hundred fifty-three".