4911689 has 4 divisors (see below), whose sum is σ = 4932480. Its totient is φ = 4890900.

The previous prime is 4911661. The next prime is 4911707. The reversal of 4911689 is 9861194.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4911689 - 2⁸ = 4911433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4911619) 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 in 3 ways as a sum of consecutive naturals, for example, 10037 + ... + 10514.

It is an arithmetic number, because the mean of its divisors is an integer number (1233120).

Almost surely, 2^4911689 is an apocalyptic number.

It is an amenable number.

4911689 is a deficient number, since it is larger than the sum of its proper divisors (20791).

4911689 is a wasteful number, since it uses less digits than its factorization.

4911689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20790.

The product of its digits is 15552, while the sum is 38.

The square root of 4911689 is about 2216.2330653611. The cubic root of 4911689 is about 169.9848775475.

The spelling of 4911689 in words is "four million, nine hundred eleven thousand, six hundred eighty-nine".