3948522 has 16 divisors (see below), whose sum is σ = 8361792. Its totient is φ = 1238720.

The previous prime is 3948521. The next prime is 3948533. The reversal of 3948522 is 2258493.

It is a happy number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (3948521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19254 + ... + 19457.

It is an arithmetic number, because the mean of its divisors is an integer number (522612).

Almost surely, 2^3948522 is an apocalyptic number.

3948522 is an abundant number, since it is smaller than the sum of its proper divisors (4413270).

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

3948522 is a wasteful number, since it uses less digits than its factorization.

3948522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38733.

The product of its digits is 17280, while the sum is 33.

The square root of 3948522 is about 1987.0888253926. The cubic root of 3948522 is about 158.0561942935.

The spelling of 3948522 in words is "three million, nine hundred forty-eight thousand, five hundred twenty-two".