242646824 has 24 divisors (see below), whose sum is σ = 529243290. Its totient is φ = 103991328.

The previous prime is 242646823. The next prime is 242646847. The reversal of 242646824 is 428646242.

It can be written as a sum of positive squares in only one way, i.e., 226502500 + 16144324 = 15050^2 + 4018^2 .

It is not an unprimeable number, because it can be changed into a prime (242646823) 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 5 ways as a sum of consecutive naturals, for example, 309107 + ... + 309890.

Almost surely, 2^242646824 is an apocalyptic number.

It is an amenable number.

242646824 is an abundant number, since it is smaller than the sum of its proper divisors (286596466).

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

242646824 is a wasteful number, since it uses less digits than its factorization.

242646824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619017 (or 619006 counting only the distinct ones).

The product of its digits is 147456, while the sum is 38.

The square root of 242646824 is about 15577.1250235722. The cubic root of 242646824 is about 623.7226811221.

The spelling of 242646824 in words is "two hundred forty-two million, six hundred forty-six thousand, eight hundred twenty-four".