4060645 has 4 divisors (see below), whose sum is σ = 4872780. Its totient is φ = 3248512.

The previous prime is 4060643. The next prime is 4060663. The reversal of 4060645 is 5460604.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1934881 + 2125764 = 1391^2 + 1458^2 .

It is a cyclic number.

It is not a de Polignac number, because 4060645 - 2¹ = 4060643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4060643) 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, 406060 + ... + 406069.

It is an arithmetic number, because the mean of its divisors is an integer number (1218195).

Almost surely, 2^4060645 is an apocalyptic number.

It is an amenable number.

4060645 is a deficient number, since it is larger than the sum of its proper divisors (812135).

4060645 is an equidigital number, since it uses as much as digits as its factorization.

4060645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812134.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 4060645 is about 2015.1042156673. The cubic root of 4060645 is about 159.5383175269.

The spelling of 4060645 in words is "four million, sixty thousand, six hundred forty-five".