242317644 has 24 divisors (see below), whose sum is σ = 565884480. Its totient is φ = 80704464.

The previous prime is 242317639. The next prime is 242317679. The reversal of 242317644 is 446713242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7527 + ... + 23265.

It is an arithmetic number, because the mean of its divisors is an integer number (23578520).

Almost surely, 2^242317644 is an apocalyptic number.

It is an amenable number.

242317644 is an abundant number, since it is smaller than the sum of its proper divisors (323566836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242317644 is a wasteful number, since it uses less digits than its factorization.

242317644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17029 (or 17027 counting only the distinct ones).

The product of its digits is 32256, while the sum is 33.

The square root of 242317644 is about 15566.5553029564. Note that the first 3 decimals coincide. The cubic root of 242317644 is about 623.4405015264.

The spelling of 242317644 in words is "two hundred forty-two million, three hundred seventeen thousand, six hundred forty-four".