3821522 has 8 divisors (see below), whose sum is σ = 5747916. Its totient is φ = 1905552.

The previous prime is 3821513. The next prime is 3821563. The reversal of 3821522 is 2251283.

It can be written as a sum of positive squares in 2 ways, for example, as 3644281 + 177241 = 1909^2 + 421^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1613 + ... + 3200.

Almost surely, 2^3821522 is an apocalyptic number.

3821522 is a deficient number, since it is larger than the sum of its proper divisors (1926394).

3821522 is a wasteful number, since it uses less digits than its factorization.

3821522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5212.

The product of its digits is 960, while the sum is 23.

The square root of 3821522 is about 1954.8713512659. The cubic root of 3821522 is about 156.3431248600.

The spelling of 3821522 in words is "three million, eight hundred twenty-one thousand, five hundred twenty-two".