1824749 has 2 divisors, whose sum is σ = 1824750. Its totient is φ = 1824748.

The previous prime is 1824743. The next prime is 1824761. The reversal of 1824749 is 9474281.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1155625 + 669124 = 1075^2 + 818^2 .

It is a cyclic number.

It is not a de Polignac number, because 1824749 - 2¹⁶ = 1759213 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1824743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 912374 + 912375.

It is an arithmetic number, because the mean of its divisors is an integer number (912375).

2^1824749 is an apocalyptic number.

It is an amenable number.

1824749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1824749 is an equidigital number, since it uses as much as digits as its factorization.

1824749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 35.

The square root of 1824749 is about 1350.8327061483. The cubic root of 1824749 is about 122.1990167453.

The spelling of 1824749 in words is "one million, eight hundred twenty-four thousand, seven hundred forty-nine".