240629 has 4 divisors (see below), whose sum is σ = 246540. Its totient is φ = 234720.

The previous prime is 240623. The next prime is 240631. The reversal of 240629 is 926042.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16900 + 223729 = 130^2 + 473^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240629 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2894 + ... + 2975.

It is an arithmetic number, because the mean of its divisors is an integer number (61635).

2²⁴⁰⁶²⁹ is an apocalyptic number.

It is an amenable number.

240629 is a deficient number, since it is larger than the sum of its proper divisors (5911).

240629 is an equidigital number, since it uses as much as digits as its factorization.

240629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5910.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 240629 is about 490.5394989193. The cubic root of 240629 is about 62.1988930163.

The spelling of 240629 in words is "two hundred forty thousand, six hundred twenty-nine".