3655628 has 6 divisors (see below), whose sum is σ = 6397356. Its totient is φ = 1827812.

The previous prime is 3655627. The next prime is 3655633. The reversal of 3655628 is 8265563.

It is not an unprimeable number, because it can be changed into a prime (3655627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456950 + ... + 456957.

It is an arithmetic number, because the mean of its divisors is an integer number (1066226).

Almost surely, 2^3655628 is an apocalyptic number.

It is an amenable number.

3655628 is a deficient number, since it is larger than the sum of its proper divisors (2741728).

3655628 is a wasteful number, since it uses less digits than its factorization.

3655628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913911 (or 913909 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 3655628 is about 1911.9696650313. The cubic root of 3655628 is about 154.0472672134.

The spelling of 3655628 in words is "three million, six hundred fifty-five thousand, six hundred twenty-eight".