3920775 has 24 divisors (see below), whose sum is σ = 6596304. Its totient is φ = 2054400.

The previous prime is 3920759. The next prime is 3920797. The reversal of 3920775 is 5770293.

It is not a de Polignac number, because 3920775 - 2⁴ = 3920759 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4147 + ... + 5003.

It is an arithmetic number, because the mean of its divisors is an integer number (274846).

Almost surely, 2^3920775 is an apocalyptic number.

3920775 is a deficient number, since it is larger than the sum of its proper divisors (2675529).

3920775 is a wasteful number, since it uses less digits than its factorization.

3920775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 926 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 33.

The square root of 3920775 is about 1980.0946947053. The cubic root of 3920775 is about 157.6850935549.

The spelling of 3920775 in words is "three million, nine hundred twenty thousand, seven hundred seventy-five".