3920771 has 8 divisors (see below), whose sum is σ = 4078080. Its totient is φ = 3764992.

The previous prime is 3920759. The next prime is 3920797. The reversal of 3920771 is 1770293.

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 not a de Polignac number, because 3920771 - 2¹⁴ = 3904387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3920071) 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, 10046 + ... + 10428.

It is an arithmetic number, because the mean of its divisors is an integer number (509760).

Almost surely, 2^3920771 is an apocalyptic number.

3920771 is a deficient number, since it is larger than the sum of its proper divisors (157309).

3920771 is a wasteful number, since it uses less digits than its factorization.

3920771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 3920771 is about 1980.0936846523. The cubic root of 3920771 is about 157.6850399311.

The spelling of 3920771 in words is "three million, nine hundred twenty thousand, seven hundred seventy-one".