288238355 has 8 divisors (see below), whose sum is σ = 351048912. Its totient is φ = 227148768.

The previous prime is 288238351. The next prime is 288238367. The reversal of 288238355 is 553832882.

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

It is a cyclic number.

It is not a de Polignac number, because 288238355 - 2² = 288238351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (288238351) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 429872 + ... + 430541.

It is an arithmetic number, because the mean of its divisors is an integer number (43881114).

Almost surely, 2^288238355 is an apocalyptic number.

288238355 is a deficient number, since it is larger than the sum of its proper divisors (62810557).

288238355 is an equidigital number, since it uses as much as digits as its factorization.

288238355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860485.

The product of its digits is 460800, while the sum is 44.

The square root of 288238355 is about 16977.5838975986. The cubic root of 288238355 is about 660.5675826141.

The spelling of 288238355 in words is "two hundred eighty-eight million, two hundred thirty-eight thousand, three hundred fifty-five".