4723849 has 4 divisors (see below), whose sum is σ = 5087236. Its totient is φ = 4360464.

The previous prime is 4723847. The next prime is 4723861. The reversal of 4723849 is 9483274.

It is a happy number.

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 2050624 + 2673225 = 1432^2 + 1635^2 .

It is a cyclic number.

It is not a de Polignac number, because 4723849 - 2¹ = 4723847 is a prime.

It is a d-powerful number, because it can be written as 4⁶ + 7³ + 2¹⁹ + 3⁶ + 8 + 4¹¹ + 9² .

It is a Duffinian number.

4723849 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4723847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181674 + ... + 181699.

It is an arithmetic number, because the mean of its divisors is an integer number (1271809).

Almost surely, 2^4723849 is an apocalyptic number.

It is an amenable number.

4723849 is a deficient number, since it is larger than the sum of its proper divisors (363387).

4723849 is a wasteful number, since it uses less digits than its factorization.

4723849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363386.

The product of its digits is 48384, while the sum is 37.

The square root of 4723849 is about 2173.4417406501. The cubic root of 4723849 is about 167.7897146927.

The spelling of 4723849 in words is "four million, seven hundred twenty-three thousand, eight hundred forty-nine".