3965826 has 16 divisors (see below), whose sum is σ = 7961184. Its totient is φ = 1317024.

The previous prime is 3965789. The next prime is 3965827. The reversal of 3965826 is 6285693.

It is not an unprimeable number, because it can be changed into a prime (3965827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766 + ... + 2918.

It is an arithmetic number, because the mean of its divisors is an integer number (497574).

Almost surely, 2^3965826 is an apocalyptic number.

3965826 is an abundant number, since it is smaller than the sum of its proper divisors (3995358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3965826 is a wasteful number, since it uses less digits than its factorization.

3965826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465.

The product of its digits is 77760, while the sum is 39.

The square root of 3965826 is about 1991.4381737830. The cubic root of 3965826 is about 158.2867462815.

The spelling of 3965826 in words is "three million, nine hundred sixty-five thousand, eight hundred twenty-six".