3726404 has 12 divisors (see below), whose sum is σ = 7114128. Its totient is φ = 1693800.

The previous prime is 3726403. The next prime is 3726407. The reversal of 3726404 is 4046273.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3726403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42302 + ... + 42389.

It is an arithmetic number, because the mean of its divisors is an integer number (592844).

Almost surely, 2^3726404 is an apocalyptic number.

It is an amenable number.

3726404 is a deficient number, since it is larger than the sum of its proper divisors (3387724).

3726404 is a wasteful number, since it uses less digits than its factorization.

3726404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84706 (or 84704 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 3726404 is about 1930.3895979827. The cubic root of 3726404 is about 155.0350805093.

It can be divided in two parts, 372 and 6404, that added together give a palindrome (6776).

The spelling of 3726404 in words is "three million, seven hundred twenty-six thousand, four hundred four".