65238684 has 24 divisors (see below), whose sum is σ = 173970048. Its totient is φ = 18639600.

The previous prime is 65238683. The next prime is 65238703. The reversal of 65238684 is 48683256.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65238683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388242 + ... + 388409.

It is an arithmetic number, because the mean of its divisors is an integer number (7248752).

Almost surely, 2^65238684 is an apocalyptic number.

It is an amenable number.

65238684 is an abundant number, since it is smaller than the sum of its proper divisors (108731364).

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

65238684 is a wasteful number, since it uses less digits than its factorization.

65238684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776665 (or 776663 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 65238684 is about 8077.0467375149. The cubic root of 65238684 is about 402.5641197696.

The spelling of 65238684 in words is "sixty-five million, two hundred thirty-eight thousand, six hundred eighty-four".