242321716 has 24 divisors (see below), whose sum is σ = 521924480. Its totient is φ = 95863392.

The previous prime is 242321701. The next prime is 242321719. The reversal of 242321716 is 617123242.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242321719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332496 + ... + 333223.

Almost surely, 2^242321716 is an apocalyptic number.

242321716 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

242321716 is an abundant number, since it is smaller than the sum of its proper divisors (279602764).

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

242321716 is a wasteful number, since it uses less digits than its factorization.

242321716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665743 (or 665741 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 242321716 is about 15566.6860956338. The cubic root of 242321716 is about 623.4439936858.

Adding to 242321716 its reverse (617123242), we get a palindrome (859444958).

The spelling of 242321716 in words is "two hundred forty-two million, three hundred twenty-one thousand, seven hundred sixteen".