3655746 has 16 divisors (see below), whose sum is σ = 8124000. Its totient is φ = 1218564.

The previous prime is 3655741. The next prime is 3655747. The reversal of 3655746 is 6475563.

It is a d-powerful number, because it can be written as 3⁸ + 6 + 5 + 5⁹ + 7² + 4⁷ + 6⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 3655746.

It is not an unprimeable number, because it can be changed into a prime (3655741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33796 + ... + 33903.

It is an arithmetic number, because the mean of its divisors is an integer number (507750).

Almost surely, 2^3655746 is an apocalyptic number.

3655746 is an abundant number, since it is smaller than the sum of its proper divisors (4468254).

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

3655746 is a wasteful number, since it uses less digits than its factorization.

3655746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67710 (or 67704 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 3655746 is about 1912.0005230125. Note that the first 3 decimals coincide. The cubic root of 3655746 is about 154.0489246926.

The spelling of 3655746 in words is "three million, six hundred fifty-five thousand, seven hundred forty-six".