3721036 has 24 divisors (see below), whose sum is σ = 7479360. Its totient is φ = 1602000.

The previous prime is 3721033. The next prime is 3721049. The reversal of 3721036 is 6301273.

3721036 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 2×3721036² = 27692217826592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 3720998 and 3721016.

It is not an unprimeable number, because it can be changed into a prime (3721033) by changing a digit.

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, 1390 + ... + 3061.

It is an arithmetic number, because the mean of its divisors is an integer number (311640).

Almost surely, 2^3721036 is an apocalyptic number.

It is an amenable number.

3721036 is an abundant number, since it is smaller than the sum of its proper divisors (3758324).

3721036 is a wasteful number, since it uses less digits than its factorization.

3721036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4485 (or 4483 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 3721036 is about 1928.9987039913. The cubic root of 3721036 is about 154.9606004611.

The spelling of 3721036 in words is "three million, seven hundred twenty-one thousand, thirty-six".