242429786 has 12 divisors (see below), whose sum is σ = 372303882. Its totient is φ = 118394136.

The previous prime is 242429773. The next prime is 242429813. The reversal of 242429786 is 687924242.

It can be written as a sum of positive squares in only one way, i.e., 185804161 + 56625625 = 13631^2 + 7525^2 .

It is a super-2 number, since 2×242429786² = 117544402280011592, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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, 29081 + ... + 36476.

Almost surely, 2^242429786 is an apocalyptic number.

242429786 is a deficient number, since it is larger than the sum of its proper divisors (129874096).

242429786 is an equidigital number, since it uses as much as digits as its factorization.

242429786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65645 (or 65602 counting only the distinct ones).

The product of its digits is 387072, while the sum is 44.

The square root of 242429786 is about 15570.1569035126. The cubic root of 242429786 is about 623.5366605475.

The spelling of 242429786 in words is "two hundred forty-two million, four hundred twenty-nine thousand, seven hundred eighty-six".