4909045 has 4 divisors (see below), whose sum is σ = 5890860. Its totient is φ = 3927232.

The previous prime is 4909027. The next prime is 4909057. The reversal of 4909045 is 5409094.

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 2377764 + 2531281 = 1542^2 + 1591^2 .

It is a cyclic number.

It is not a de Polignac number, because 4909045 - 2⁵ = 4909013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4908998 and 4909016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490900 + ... + 490909.

It is an arithmetic number, because the mean of its divisors is an integer number (1472715).

Almost surely, 2^4909045 is an apocalyptic number.

It is an amenable number.

4909045 is a deficient number, since it is larger than the sum of its proper divisors (981815).

4909045 is an equidigital number, since it uses as much as digits as its factorization.

4909045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981814.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 4909045 is about 2215.6364774033. The cubic root of 4909045 is about 169.9543706835.

The spelling of 4909045 in words is "four million, nine hundred nine thousand, forty-five".