3722136 has 64 divisors (see below), whose sum is σ = 10609920. Its totient is φ = 1077120.

The previous prime is 3722129. The next prime is 3722143. The reversal of 3722136 is 6312273.

3722136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3722129) and next prime (3722143).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 5766 + ... + 6378.

It is an arithmetic number, because the mean of its divisors is an integer number (165780).

Almost surely, 2^3722136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3722136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5304960).

3722136 is an abundant number, since it is smaller than the sum of its proper divisors (6887784).

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

3722136 is a wasteful number, since it uses less digits than its factorization.

3722136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656 (or 652 counting only the distinct ones).

The product of its digits is 1512, while the sum is 24.

The square root of 3722136 is about 1929.2838049390. The cubic root of 3722136 is about 154.9758685984.

The spelling of 3722136 in words is "three million, seven hundred twenty-two thousand, one hundred thirty-six".