242889706 has 16 divisors (see below), whose sum is σ = 384761664. Its totient is φ = 114763264.

The previous prime is 242889697. The next prime is 242889709. The reversal of 242889706 is 607988242.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (242889709) 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, 27991 + ... + 35626.

It is an arithmetic number, because the mean of its divisors is an integer number (24047604).

Almost surely, 2^242889706 is an apocalyptic number.

242889706 is a deficient number, since it is larger than the sum of its proper divisors (141871958).

242889706 is a wasteful number, since it uses less digits than its factorization.

242889706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63725.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 242889706 is about 15584.9191849044. The cubic root of 242889706 is about 623.9307207904.

The spelling of 242889706 in words is "two hundred forty-two million, eight hundred eighty-nine thousand, seven hundred six".