4064641 has 4 divisors (see below), whose sum is σ = 4645312. Its totient is φ = 3483972.

The previous prime is 4064639. The next prime is 4064647. The reversal of 4064641 is 1464604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4064641 - 2¹ = 4064639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4064647) 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, 290325 + ... + 290338.

It is an arithmetic number, because the mean of its divisors is an integer number (1161328).

Almost surely, 2^4064641 is an apocalyptic number.

It is an amenable number.

4064641 is a deficient number, since it is larger than the sum of its proper divisors (580671).

4064641 is an equidigital number, since it uses as much as digits as its factorization.

4064641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580670.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 4064641 is about 2016.0954838499. The cubic root of 4064641 is about 159.5906331984.

The spelling of 4064641 in words is "four million, sixty-four thousand, six hundred forty-one".