242393853 has 8 divisors (see below), whose sum is σ = 348052768. Its totient is φ = 149165424.

The previous prime is 242393843. The next prime is 242393897. The reversal of 242393853 is 358393242.

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

It is not a de Polignac number, because 242393853 - 2⁵ = 242393821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 6215227 = 242393853 / (2 + 4 + 2 + 3 + 9 + 3 + 8 + 5 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242393813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3107575 + ... + 3107652.

It is an arithmetic number, because the mean of its divisors is an integer number (43506596).

Almost surely, 2^242393853 is an apocalyptic number.

It is an amenable number.

242393853 is a deficient number, since it is larger than the sum of its proper divisors (105658915).

242393853 is a wasteful number, since it uses less digits than its factorization.

242393853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6215243.

The product of its digits is 155520, while the sum is 39.

The square root of 242393853 is about 15569.0029545890. The cubic root of 242393853 is about 623.5058521084.

The spelling of 242393853 in words is "two hundred forty-two million, three hundred ninety-three thousand, eight hundred fifty-three".