3906365 has 8 divisors (see below), whose sum is σ = 4776408. Its totient is φ = 3065920.

The previous prime is 3906361. The next prime is 3906367. The reversal of 3906365 is 5636093.

It can be written as a sum of positive squares in 4 ways, for example, as 1800964 + 2105401 = 1342^2 + 1451^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3906365 - 2² = 3906361 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3906361) 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, 7106 + ... + 7635.

It is an arithmetic number, because the mean of its divisors is an integer number (597051).

Almost surely, 2^3906365 is an apocalyptic number.

It is an amenable number.

3906365 is a deficient number, since it is larger than the sum of its proper divisors (870043).

3906365 is a wasteful number, since it uses less digits than its factorization.

3906365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14799.

The product of its (nonzero) digits is 14580, while the sum is 32.

The square root of 3906365 is about 1976.4526303456. The cubic root of 3906365 is about 157.4916767248.

The spelling of 3906365 in words is "three million, nine hundred six thousand, three hundred sixty-five".