3722526 has 12 divisors (see below), whose sum is σ = 8065512. Its totient is φ = 1240836.

The previous prime is 3722519. The next prime is 3722549. The reversal of 3722526 is 6252273.

It is a self number, because there is not a number n which added to its sum of digits gives 3722526.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103386 + ... + 103421.

It is an arithmetic number, because the mean of its divisors is an integer number (672126).

Almost surely, 2^3722526 is an apocalyptic number.

3722526 is an abundant number, since it is smaller than the sum of its proper divisors (4342986).

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

3722526 is a wasteful number, since it uses less digits than its factorization.

3722526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206815 (or 206812 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 3722526 is about 1929.3848760680. The cubic root of 3722526 is about 154.9812811248.

Adding to 3722526 its reverse (6252273), we get a palindrome (9974799).

The spelling of 3722526 in words is "three million, seven hundred twenty-two thousand, five hundred twenty-six".