242708644 has 12 divisors (see below), whose sum is σ = 426564684. Its totient is φ = 120833024.

The previous prime is 242708623. The next prime is 242708671. The reversal of 242708644 is 446807242.

It can be written as a sum of positive squares in 2 ways, for example, as 92891044 + 149817600 = 9638^2 + 12240^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129277 + ... + 131140.

It is an arithmetic number, because the mean of its divisors is an integer number (35547057).

Almost surely, 2^242708644 is an apocalyptic number.

It is an amenable number.

242708644 is a deficient number, since it is larger than the sum of its proper divisors (183856040).

242708644 is a wasteful number, since it uses less digits than its factorization.

242708644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260654 (or 260652 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 37.

The square root of 242708644 is about 15579.1092171536. The cubic root of 242708644 is about 623.7756459777.

The spelling of 242708644 in words is "two hundred forty-two million, seven hundred eight thousand, six hundred forty-four".