2248739 has 2 divisors, whose sum is σ = 2248740. Its totient is φ = 2248738.

The previous prime is 2248723. The next prime is 2248759. The reversal of 2248739 is 9378422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2248739 - 2⁴ = 2248723 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2⁷ + 2²¹ + 4⁵ + 8⁵ + 7⁶ + 3² + 9 .

It is a junction number, because it is equal to n+sod(n) for n = 2248699 and 2248708.

It is not a weakly prime, because it can be changed into another prime (2248759) 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 as a sum of consecutive naturals, namely, 1124369 + 1124370.

It is an arithmetic number, because the mean of its divisors is an integer number (1124370).

2^2248739 is an apocalyptic number.

2248739 is a deficient number, since it is larger than the sum of its proper divisors (1).

2248739 is an equidigital number, since it uses as much as digits as its factorization.

2248739 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2248739 is about 1499.5796077568. The cubic root of 2248739 is about 131.0125854699.

The spelling of 2248739 in words is "two million, two hundred forty-eight thousand, seven hundred thirty-nine".