3847249 has 4 divisors (see below), whose sum is σ = 4396864. Its totient is φ = 3297636.

The previous prime is 3847243. The next prime is 3847271. The reversal of 3847249 is 9427483.

It is a happy number.

3847249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3847249 - 2³ = 3847241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3847241) 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, 274797 + ... + 274810.

It is an arithmetic number, because the mean of its divisors is an integer number (1099216).

Almost surely, 2^3847249 is an apocalyptic number.

It is an amenable number.

3847249 is a deficient number, since it is larger than the sum of its proper divisors (549615).

3847249 is an equidigital number, since it uses as much as digits as its factorization.

3847249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549614.

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

The square root of 3847249 is about 1961.4405420507. The cubic root of 3847249 is about 156.6931814687.

It can be divided in two parts, 3847 and 249, that added together give a 12-th power (4096 = 2¹²).

The spelling of 3847249 in words is "three million, eight hundred forty-seven thousand, two hundred forty-nine".