3906156 has 12 divisors (see below), whose sum is σ = 9114392. Its totient is φ = 1302048.

The previous prime is 3906151. The next prime is 3906169. The reversal of 3906156 is 6516093.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (3906151) 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 3 ways as a sum of consecutive naturals, for example, 162745 + ... + 162768.

Almost surely, 2^3906156 is an apocalyptic number.

It is an amenable number.

3906156 is an abundant number, since it is smaller than the sum of its proper divisors (5208236).

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

3906156 is a wasteful number, since it uses less digits than its factorization.

3906156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325520 (or 325518 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 3906156 is about 1976.3997571342. The cubic root of 3906156 is about 157.4888679459.

The spelling of 3906156 in words is "three million, nine hundred six thousand, one hundred fifty-six".