3965404 has 12 divisors (see below), whose sum is σ = 6953464. Its totient is φ = 1978704.

The previous prime is 3965393. The next prime is 3965419. The reversal of 3965404 is 4045693.

3965404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3082 + ... + 4174.

Almost surely, 2^3965404 is an apocalyptic number.

It is an amenable number.

3965404 is a deficient number, since it is larger than the sum of its proper divisors (2988060).

3965404 is a wasteful number, since it uses less digits than its factorization.

3965404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004 (or 2002 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 3965404 is about 1991.3322173861. The cubic root of 3965404 is about 158.2811316987.

The spelling of 3965404 in words is "three million, nine hundred sixty-five thousand, four hundred four".