3905975 has 12 divisors (see below), whose sum is σ = 5054736. Its totient is φ = 2988480.

The previous prime is 3905953. The next prime is 3905987. The reversal of 3905975 is 5795093.

It is not a de Polignac number, because 3905975 - 2⁶ = 3905911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2822 + ... + 3971.

It is an arithmetic number, because the mean of its divisors is an integer number (421228).

Almost surely, 2^3905975 is an apocalyptic number.

3905975 is a deficient number, since it is larger than the sum of its proper divisors (1148761).

3905975 is a wasteful number, since it uses less digits than its factorization.

3905975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6826 (or 6821 counting only the distinct ones).

The product of its (nonzero) digits is 42525, while the sum is 38.

The square root of 3905975 is about 1976.3539662722. The cubic root of 3905975 is about 157.4864353817.

The spelling of 3905975 in words is "three million, nine hundred five thousand, nine hundred seventy-five".