242328685 has 4 divisors (see below), whose sum is σ = 290794428. Its totient is φ = 193862944.

The previous prime is 242328673. The next prime is 242328689. The reversal of 242328685 is 586823242.

It is a happy number.

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 143664196 + 98664489 = 11986^2 + 9933^2 .

It is a cyclic number.

It is not a de Polignac number, because 242328685 - 2²⁵ = 208774253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242328689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24232864 + ... + 24232873.

It is an arithmetic number, because the mean of its divisors is an integer number (72698607).

Almost surely, 2^242328685 is an apocalyptic number.

It is an amenable number.

242328685 is a deficient number, since it is larger than the sum of its proper divisors (48465743).

242328685 is an equidigital number, since it uses as much as digits as its factorization.

242328685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48465742.

The product of its digits is 184320, while the sum is 40.

The square root of 242328685 is about 15566.9099374282. The cubic root of 242328685 is about 623.4499702302.

The spelling of 242328685 in words is "two hundred forty-two million, three hundred twenty-eight thousand, six hundred eighty-five".