3722538 has 16 divisors (see below), whose sum is σ = 7469280. Its totient is φ = 1236816.

The previous prime is 3722519. The next prime is 3722549. The reversal of 3722538 is 8352273.

3722538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3722538² = 27714578322888, which contains 22 as substring.

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, 1456 + ... + 3092.

It is an arithmetic number, because the mean of its divisors is an integer number (466830).

Almost surely, 2^3722538 is an apocalyptic number.

3722538 is an abundant number, since it is smaller than the sum of its proper divisors (3746742).

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

3722538 is a wasteful number, since it uses less digits than its factorization.

3722538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021.

The product of its digits is 10080, while the sum is 30.

The square root of 3722538 is about 1929.3879858649. The cubic root of 3722538 is about 154.9814476581.

The spelling of 3722538 in words is "three million, seven hundred twenty-two thousand, five hundred thirty-eight".