242689685 has 8 divisors (see below), whose sum is σ = 332831616. Its totient is φ = 166415760.

The previous prime is 242689639. The next prime is 242689693. The reversal of 242689685 is 586986242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242689685 - 2¹⁶ = 242624149 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 3466961 + ... + 3467030.

It is an arithmetic number, because the mean of its divisors is an integer number (41603952).

Almost surely, 2^242689685 is an apocalyptic number.

It is an amenable number.

242689685 is a deficient number, since it is larger than the sum of its proper divisors (90141931).

242689685 is an equidigital number, since it uses as much as digits as its factorization.

242689685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6934003.

The product of its digits is 1658880, while the sum is 50.

The square root of 242689685 is about 15578.5007301730. The cubic root of 242689685 is about 623.7594036357.

The spelling of 242689685 in words is "two hundred forty-two million, six hundred eighty-nine thousand, six hundred eighty-five".