3957105 has 16 divisors (see below), whose sum is σ = 6358464. Its totient is φ = 2101440.

The previous prime is 3957103. The next prime is 3957133. The reversal of 3957105 is 5017593.

It is a happy number.

3957105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3957105 - 2¹ = 3957103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3957103) 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 15 ways as a sum of consecutive naturals, for example, 4567 + ... + 5363.

It is an arithmetic number, because the mean of its divisors is an integer number (397404).

Almost surely, 2^3957105 is an apocalyptic number.

It is an amenable number.

3957105 is a deficient number, since it is larger than the sum of its proper divisors (2401359).

3957105 is a wasteful number, since it uses less digits than its factorization.

3957105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136.

The product of its (nonzero) digits is 4725, while the sum is 30.

The square root of 3957105 is about 1989.2473451032. The cubic root of 3957105 is about 158.1706349665.

The spelling of 3957105 in words is "three million, nine hundred fifty-seven thousand, one hundred five".