4080644 has 12 divisors (see below), whose sum is σ = 7166544. Its totient is φ = 2033064.

The previous prime is 4080613. The next prime is 4080647. The reversal of 4080644 is 4460804.

It is not an unprimeable number, because it can be changed into a prime (4080647) 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, 434 + ... + 2889.

It is an arithmetic number, because the mean of its divisors is an integer number (597212).

Almost surely, 2^4080644 is an apocalyptic number.

It is an amenable number.

4080644 is a deficient number, since it is larger than the sum of its proper divisors (3085900).

4080644 is a wasteful number, since it uses less digits than its factorization.

4080644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3634 (or 3632 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 4080644 is about 2020.0603951367. The cubic root of 4080644 is about 159.7998016918.

The spelling of 4080644 in words is "four million, eighty thousand, six hundred forty-four".