4661849 has 2 divisors, whose sum is σ = 4661850. Its totient is φ = 4661848.

The previous prime is 4661819. The next prime is 4661851. The reversal of 4661849 is 9481664.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2866249 + 1795600 = 1693^2 + 1340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4661849 is a prime.

Together with 4661851, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4661819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2330924 + 2330925.

It is an arithmetic number, because the mean of its divisors is an integer number (2330925).

Almost surely, 2^4661849 is an apocalyptic number.

It is an amenable number.

4661849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4661849 is an equidigital number, since it uses as much as digits as its factorization.

4661849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 38.

The square root of 4661849 is about 2159.1315383737. The cubic root of 4661849 is about 167.0524056550.

The spelling of 4661849 in words is "four million, six hundred sixty-one thousand, eight hundred forty-nine".