3906246 has 16 divisors (see below), whose sum is σ = 7832304. Its totient is φ = 1298784.

The previous prime is 3906187. The next prime is 3906247. The reversal of 3906246 is 6426093.

3906246 is nontrivially palindromic in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3906247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3420 + ... + 4416.

It is an arithmetic number, because the mean of its divisors is an integer number (489519).

Almost surely, 2^3906246 is an apocalyptic number.

3906246 is an abundant number, since it is smaller than the sum of its proper divisors (3926058).

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

3906246 is a wasteful number, since it uses less digits than its factorization.

3906246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 3906246 is about 1976.4225256761. The cubic root of 3906246 is about 157.4900774802.

The spelling of 3906246 in words is "three million, nine hundred six thousand, two hundred forty-six".