3900522 has 16 divisors (see below), whose sum is σ = 7855200. Its totient is φ = 1291152.

The previous prime is 3900517. The next prime is 3900563. The reversal of 3900522 is 2250093.

3900522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 11.

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 7 ways as a sum of consecutive naturals, for example, 1288 + ... + 3075.

It is an arithmetic number, because the mean of its divisors is an integer number (490950).

Almost surely, 2^3900522 is an apocalyptic number.

3900522 is an abundant number, since it is smaller than the sum of its proper divisors (3954678).

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

3900522 is a wasteful number, since it uses less digits than its factorization.

3900522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4517.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 3900522 is about 1974.9739238785. The cubic root of 3900522 is about 157.4131140832.

The spelling of 3900522 in words is "three million, nine hundred thousand, five hundred twenty-two".