655360238 has 8 divisors (see below), whose sum is σ = 1058658888. Its totient is φ = 302473944.

The previous prime is 655360219. The next prime is 655360253. The reversal of 655360238 is 832063556.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×655360238⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12603056 + ... + 12603107.

It is an arithmetic number, because the mean of its divisors is an integer number (132332361).

Almost surely, 2^655360238 is an apocalyptic number.

655360238 is a deficient number, since it is larger than the sum of its proper divisors (403298650).

655360238 is a wasteful number, since it uses less digits than its factorization.

655360238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25206178.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 655360238 is about 25600.0046484371. The cubic root of 655360238 is about 868.6137424587.

The spelling of 655360238 in words is "six hundred fifty-five million, three hundred sixty thousand, two hundred thirty-eight".