3906071 has 8 divisors (see below), whose sum is σ = 4245360. Its totient is φ = 3572352.

The previous prime is 3906061. The next prime is 3906101. The reversal of 3906071 is 1706093.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3906071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3906071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3906061) 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, 140 + ... + 2798.

It is an arithmetic number, because the mean of its divisors is an integer number (530670).

Almost surely, 2^3906071 is an apocalyptic number.

3906071 is a deficient number, since it is larger than the sum of its proper divisors (339289).

3906071 is a wasteful number, since it uses less digits than its factorization.

3906071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 3906071 is about 1976.3782532704. The cubic root of 3906071 is about 157.4877255909.

The spelling of 3906071 in words is "three million, nine hundred six thousand, seventy-one".