4905869 has 2 divisors, whose sum is σ = 4905870. Its totient is φ = 4905868.

The previous prime is 4905863. The next prime is 4905899. The reversal of 4905869 is 9685094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3496900 + 1408969 = 1870^2 + 1187^2 .

It is a cyclic number.

It is not a de Polignac number, because 4905869 - 2¹² = 4901773 is a prime.

It is a super-2 number, since 2×4905869² = 48135101290322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4905863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2452934 + 2452935.

It is an arithmetic number, because the mean of its divisors is an integer number (2452935).

Almost surely, 2^4905869 is an apocalyptic number.

It is an amenable number.

4905869 is a deficient number, since it is larger than the sum of its proper divisors (1).

4905869 is an equidigital number, since it uses as much as digits as its factorization.

4905869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 4905869 is about 2214.9196373684. The cubic root of 4905869 is about 169.9177110393.

The spelling of 4905869 in words is "four million, nine hundred five thousand, eight hundred sixty-nine".