4989769 has 8 divisors (see below), whose sum is σ = 5234760. Its totient is φ = 4749696.

The previous prime is 4989767. The next prime is 4989773. The reversal of 4989769 is 9679894.

It can be written as a sum of positive squares in 4 ways, for example, as 345744 + 4644025 = 588^2 + 2155^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4989769 - 2¹ = 4989767 is a prime.

It is a super-2 number, since 2×4989769² = 49795589346722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4989767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 939 + ... + 3295.

It is an arithmetic number, because the mean of its divisors is an integer number (654345).

Almost surely, 2^4989769 is an apocalyptic number.

It is an amenable number.

4989769 is a deficient number, since it is larger than the sum of its proper divisors (244991).

4989769 is a wasteful number, since it uses less digits than its factorization.

4989769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459.

The product of its digits is 979776, while the sum is 52.

The square root of 4989769 is about 2233.7790848694. The cubic root of 4989769 is about 170.8808832671.

The spelling of 4989769 in words is "four million, nine hundred eighty-nine thousand, seven hundred sixty-nine".