3960522 has 32 divisors (see below), whose sum is σ = 8933760. Its totient is φ = 1300320.

The previous prime is 3960521. The next prime is 3960557. The reversal of 3960522 is 2250693.

3960522 is a `hidden beast` number, since 39 + 605 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3960521) 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 15 ways as a sum of consecutive naturals, for example, 3318 + ... + 4350.

It is an arithmetic number, because the mean of its divisors is an integer number (279180).

Almost surely, 2^3960522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3960522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4466880).

3960522 is an abundant number, since it is smaller than the sum of its proper divisors (4973238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3960522 is a wasteful number, since it uses less digits than its factorization.

3960522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115 (or 1109 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 3960522 is about 1990.1060273262. The cubic root of 3960522 is about 158.2161491801.

The spelling of 3960522 in words is "three million, nine hundred sixty thousand, five hundred twenty-two".