3980775 has 12 divisors (see below), whose sum is σ = 6581672. Its totient is φ = 2123040.

The previous prime is 3980761. The next prime is 3980819. The reversal of 3980775 is 5770893.

It is not a de Polignac number, because 3980775 - 2¹¹ = 3978727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26464 + ... + 26613.

Almost surely, 2^3980775 is an apocalyptic number.

3980775 is a deficient number, since it is larger than the sum of its proper divisors (2600897).

3980775 is a wasteful number, since it uses less digits than its factorization.

3980775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53090 (or 53085 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 3980775 is about 1995.1879610703. The cubic root of 3980775 is about 158.4853817949.

The spelling of 3980775 in words is "three million, nine hundred eighty thousand, seven hundred seventy-five".