4935989 has 2 divisors, whose sum is σ = 4935990. Its totient is φ = 4935988.

The previous prime is 4935979. The next prime is 4936033. The reversal of 4935989 is 9895394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4695889 + 240100 = 2167^2 + 490^2 .

It is a cyclic number.

It is not a de Polignac number, because 4935989 - 2¹² = 4931893 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4935919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2467994 + 2467995.

It is an arithmetic number, because the mean of its divisors is an integer number (2467995).

Almost surely, 2^4935989 is an apocalyptic number.

It is an amenable number.

4935989 is a deficient number, since it is larger than the sum of its proper divisors (1).

4935989 is an equidigital number, since it uses as much as digits as its factorization.

4935989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 47.

The square root of 4935989 is about 2221.7085767490. The cubic root of 4935989 is about 170.2647432073.

The spelling of 4935989 in words is "four million, nine hundred thirty-five thousand, nine hundred eighty-nine".