242870688 has 36 divisors (see below), whose sum is σ = 690664338. Its totient is φ = 80956800.

The previous prime is 242870681. The next prime is 242870689. The reversal of 242870688 is 886078242.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 207014544 + 35856144 = 14388^2 + 5988^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (242870681) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 421363 + ... + 421938.

Almost surely, 2^242870688 is an apocalyptic number.

It is an amenable number.

242870688 is an abundant number, since it is smaller than the sum of its proper divisors (447793650).

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

242870688 is a wasteful number, since it uses less digits than its factorization.

242870688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843317 (or 843306 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 242870688 is about 15584.3090318435. The cubic root of 242870688 is about 623.9144359996.

The spelling of 242870688 in words is "two hundred forty-two million, eight hundred seventy thousand, six hundred eighty-eight".