4689849 has 4 divisors (see below), whose sum is σ = 6253136. Its totient is φ = 3126564.

The previous prime is 4689847. The next prime is 4689859. The reversal of 4689849 is 9489864.

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 not a de Polignac number, because 4689849 - 2¹ = 4689847 is a prime.

It is a D-number.

It is a Duffinian number.

4689849 is a lucky number.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 4689798 and 4689807.

It is not an unprimeable number, because it can be changed into a prime (4689847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 781639 + ... + 781644.

It is an arithmetic number, because the mean of its divisors is an integer number (1563284).

Almost surely, 2^4689849 is an apocalyptic number.

It is an amenable number.

4689849 is a deficient number, since it is larger than the sum of its proper divisors (1563287).

4689849 is a wasteful number, since it uses less digits than its factorization.

4689849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563286.

The product of its digits is 497664, while the sum is 48.

The square root of 4689849 is about 2165.6059198294. The cubic root of 4689849 is about 167.3861883721.

The spelling of 4689849 in words is "four million, six hundred eighty-nine thousand, eight hundred forty-nine".