3726388 has 6 divisors (see below), whose sum is σ = 6521186. Its totient is φ = 1863192.

The previous prime is 3726361. The next prime is 3726397. The reversal of 3726388 is 8836273.

3726388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2598544 + 1127844 = 1612^2 + 1062^2 .

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 as a sum of consecutive naturals, namely, 465795 + ... + 465802.

Almost surely, 2^3726388 is an apocalyptic number.

It is an amenable number.

3726388 is a deficient number, since it is larger than the sum of its proper divisors (2794798).

3726388 is a wasteful number, since it uses less digits than its factorization.

3726388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931601 (or 931599 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 3726388 is about 1930.3854537372. The cubic root of 3726388 is about 155.0348586185.

It can be divided in two parts, 3726 and 388, that added together give a palindrome (4114).

The spelling of 3726388 in words is "three million, seven hundred twenty-six thousand, three hundred eighty-eight".