3654684 has 54 divisors (see below), whose sum is σ = 10166520. Its totient is φ = 1106160.

The previous prime is 3654671. The next prime is 3654689. The reversal of 3654684 is 4864563.

3654684 is a `hidden beast` number, since 36 + 546 + 84 = 666.

3654684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3654689) 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 17 ways as a sum of consecutive naturals, for example, 3937 + ... + 4775.

Almost surely, 2^3654684 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 3654684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5083260).

3654684 is an abundant number, since it is smaller than the sum of its proper divisors (6511836).

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

3654684 is a wasteful number, since it uses less digits than its factorization.

3654684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871 (or 855 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 3654684 is about 1911.7227832508. The cubic root of 3654684 is about 154.0340060957.

The spelling of 3654684 in words is "three million, six hundred fifty-four thousand, six hundred eighty-four".