3990275 has 12 divisors (see below), whose sum is σ = 4979592. Its totient is φ = 3171840.

The previous prime is 3990269. The next prime is 3990281. The reversal of 3990275 is 5720993.

3990275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3990269) and next prime (3990281).

It is not a de Polignac number, because 3990275 - 2²⁰ = 2941699 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4412 + ... + 5238.

It is an arithmetic number, because the mean of its divisors is an integer number (414966).

Almost surely, 2^3990275 is an apocalyptic number.

3990275 is a deficient number, since it is larger than the sum of its proper divisors (989317).

3990275 is a wasteful number, since it uses less digits than its factorization.

3990275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030 (or 1025 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 3990275 is about 1997.5672704567. The cubic root of 3990275 is about 158.6113551723.

The spelling of 3990275 in words is "three million, nine hundred ninety thousand, two hundred seventy-five".