65805238 has 8 divisors (see below), whose sum is σ = 98752320. Its totient is φ = 32887800.

The previous prime is 65805209. The next prime is 65805251. The reversal of 65805238 is 83250856.

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

It is a junction number, because it is equal to n+sod(n) for n = 65805197 and 65805206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613 + ... + 11488.

It is an arithmetic number, because the mean of its divisors is an integer number (12344040).

Almost surely, 2^65805238 is an apocalyptic number.

65805238 is a deficient number, since it is larger than the sum of its proper divisors (32947082).

65805238 is a wasteful number, since it uses less digits than its factorization.

65805238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14822.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 65805238 is about 8112.0427760213. The cubic root of 65805238 is about 403.7260952596.

The spelling of 65805238 in words is "sixty-five million, eight hundred five thousand, two hundred thirty-eight".