242009634 has 32 divisors (see below), whose sum is σ = 517394304. Its totient is φ = 75278720.

The previous prime is 242009629. The next prime is 242009687. The reversal of 242009634 is 436900242.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 15729 + ... + 27044.

It is an arithmetic number, because the mean of its divisors is an integer number (16168572).

Almost surely, 2^242009634 is an apocalyptic number.

242009634 is an abundant number, since it is smaller than the sum of its proper divisors (275384670).

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

242009634 is a wasteful number, since it uses less digits than its factorization.

242009634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42842.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 242009634 is about 15556.6588315101. The cubic root of 242009634 is about 623.1762377490.

Adding to 242009634 its reverse (436900242), we get a palindrome (678909876).

The spelling of 242009634 in words is "two hundred forty-two million, nine thousand, six hundred thirty-four".