3956205 has 16 divisors (see below), whose sum is σ = 6905664. Its totient is φ = 1918080.

The previous prime is 3956203. The next prime is 3956219. The reversal of 3956205 is 5026593.

It is not a de Polignac number, because 3956205 - 2¹ = 3956203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3956203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11824 + ... + 12153.

It is an arithmetic number, because the mean of its divisors is an integer number (431604).

Almost surely, 2^3956205 is an apocalyptic number.

It is an amenable number.

3956205 is a deficient number, since it is larger than the sum of its proper divisors (2949459).

3956205 is a wasteful number, since it uses less digits than its factorization.

3956205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23996.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 3956205 is about 1989.0211160267. The cubic root of 3956205 is about 158.1586426670.

The spelling of 3956205 in words is "three million, nine hundred fifty-six thousand, two hundred five".