2247839 has 8 divisors (see below), whose sum is σ = 2467920. Its totient is φ = 2030400.

The previous prime is 2247811. The next prime is 2247851. The reversal of 2247839 is 9387422.

2247839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2247839 - 2¹² = 2243743 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2 + 2²¹ + 4² + 7⁶ + 8⁵ + 3⁵ + 9 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2247799 and 2247808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2247809) 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 7 ways as a sum of consecutive naturals, for example, 1427 + ... + 2555.

It is an arithmetic number, because the mean of its divisors is an integer number (308490).

2^2247839 is an apocalyptic number.

2247839 is a deficient number, since it is larger than the sum of its proper divisors (220081).

2247839 is a wasteful number, since it uses less digits than its factorization.

2247839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321.

The product of its digits is 24192, while the sum is 35.

The square root of 2247839 is about 1499.2794936235. The cubic root of 2247839 is about 130.9951049974.

The spelling of 2247839 in words is "two million, two hundred forty-seven thousand, eight hundred thirty-nine".