3966485 has 4 divisors (see below), whose sum is σ = 4759788. Its totient is φ = 3173184.

The previous prime is 3966439. The next prime is 3966503. The reversal of 3966485 is 5846693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5846693 = 31 ⋅188603.

It can be written as a sum of positive squares in 2 ways, for example, as 2531281 + 1435204 = 1591^2 + 1198^2 .

It is a cyclic number.

It is not a de Polignac number, because 3966485 - 2⁸ = 3966229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396644 + ... + 396653.

It is an arithmetic number, because the mean of its divisors is an integer number (1189947).

Almost surely, 2^3966485 is an apocalyptic number.

It is an amenable number.

3966485 is a deficient number, since it is larger than the sum of its proper divisors (793303).

3966485 is an equidigital number, since it uses as much as digits as its factorization.

3966485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793302.

The product of its digits is 155520, while the sum is 41.

The square root of 3966485 is about 1991.6036252226. The cubic root of 3966485 is about 158.2955132814.

The spelling of 3966485 in words is "three million, nine hundred sixty-six thousand, four hundred eighty-five".