4507849 has 2 divisors, whose sum is σ = 4507850. Its totient is φ = 4507848.

The previous prime is 4507837. The next prime is 4507859. The reversal of 4507849 is 9487054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3367225 + 1140624 = 1835^2 + 1068^2 .

It is a cyclic number.

It is not a de Polignac number, because 4507849 - 2⁹ = 4507337 is a prime.

4507849 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4507859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2253924 + 2253925.

It is an arithmetic number, because the mean of its divisors is an integer number (2253925).

Almost surely, 2^4507849 is an apocalyptic number.

It is an amenable number.

4507849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4507849 is an equidigital number, since it uses as much as digits as its factorization.

4507849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 4507849 is about 2123.1695645897. The cubic root of 4507849 is about 165.1922949385.

It can be divided in two parts, 4507 and 849, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 4507849 in words is "four million, five hundred seven thousand, eight hundred forty-nine".