242328904 has 8 divisors (see below), whose sum is σ = 454366710. Its totient is φ = 121164448.

The previous prime is 242328899. The next prime is 242328917. The reversal of 242328904 is 409823242.

It can be written as a sum of positive squares in only one way, i.e., 224940004 + 17388900 = 14998^2 + 4170^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 242328904.

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 as a sum of consecutive naturals, namely, 15145549 + ... + 15145564.

Almost surely, 2^242328904 is an apocalyptic number.

It is an amenable number.

242328904 is a deficient number, since it is larger than the sum of its proper divisors (212037806).

242328904 is a wasteful number, since it uses less digits than its factorization.

242328904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30291119 (or 30291115 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 242328904 is about 15566.9169715779. The cubic root of 242328904 is about 623.4501580406.

The spelling of 242328904 in words is "two hundred forty-two million, three hundred twenty-eight thousand, nine hundred four".