65088238 has 32 divisors (see below), whose sum is σ = 104872320. Its totient is φ = 30240000.

The previous prime is 65088193. The next prime is 65088239. The reversal of 65088238 is 83288056.

It is a self number, because there is not a number n which added to its sum of digits gives 65088238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65088239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240043 + ... + 240313.

It is an arithmetic number, because the mean of its divisors is an integer number (3277260).

Almost surely, 2^65088238 is an apocalyptic number.

65088238 is a deficient number, since it is larger than the sum of its proper divisors (39784082).

65088238 is a wasteful number, since it uses less digits than its factorization.

65088238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 65088238 is about 8067.7281808450. The cubic root of 65088238 is about 402.2544324647.

It can be divided in two parts, 650 and 88238, that added together give a palindrome (88888).

The spelling of 65088238 in words is "sixty-five million, eighty-eight thousand, two hundred thirty-eight".