4048789 has 4 divisors (see below), whose sum is σ = 4071340. Its totient is φ = 4026240.

The previous prime is 4048783. The next prime is 4048813. The reversal of 4048789 is 9878404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 688900 + 3359889 = 830^2 + 1833^2 .

It is a cyclic number.

It is not a de Polignac number, because 4048789 - 2⁹ = 4048277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4048783) 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, 11004 + ... + 11365.

It is an arithmetic number, because the mean of its divisors is an integer number (1017835).

Almost surely, 2^4048789 is an apocalyptic number.

It is an amenable number.

4048789 is a deficient number, since it is larger than the sum of its proper divisors (22551).

4048789 is a wasteful number, since it uses less digits than its factorization.

4048789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22550.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 4048789 is about 2012.1602818861. The cubic root of 4048789 is about 159.3828963920.

The spelling of 4048789 in words is "four million, forty-eight thousand, seven hundred eighty-nine".