240829 has 2 divisors, whose sum is σ = 240830. Its totient is φ = 240828.

The previous prime is 240811. The next prime is 240841. The reversal of 240829 is 928042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240100 + 729 = 490^2 + 27^2 .

It is a cyclic number.

It is not a de Polignac number, because 240829 - 2⁵ = 240797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240859) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120414 + 120415.

It is an arithmetic number, because the mean of its divisors is an integer number (120415).

2²⁴⁰⁸²⁹ is an apocalyptic number.

It is an amenable number.

240829 is a deficient number, since it is larger than the sum of its proper divisors (1).

240829 is an equidigital number, since it uses as much as digits as its factorization.

240829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 240829 is about 490.7433137599. The cubic root of 240829 is about 62.2161205515.

The spelling of 240829 in words is "two hundred forty thousand, eight hundred twenty-nine".