65389239 has 12 divisors (see below), whose sum is σ = 95745936. Its totient is φ = 42995232.

The previous prime is 65389213. The next prime is 65389271. The reversal of 65389239 is 93298356.

It is not a de Polignac number, because 65389239 - 2¹² = 65385143 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 65389194 and 65389203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65389039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49107 + ... + 50420.

It is an arithmetic number, because the mean of its divisors is an integer number (7978828).

Almost surely, 2^65389239 is an apocalyptic number.

65389239 is a deficient number, since it is larger than the sum of its proper divisors (30356697).

65389239 is a wasteful number, since it uses less digits than its factorization.

65389239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99606 (or 99603 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 65389239 is about 8086.3612954159. The cubic root of 65389239 is about 402.8735551851.

The spelling of 65389239 in words is "sixty-five million, three hundred eighty-nine thousand, two hundred thirty-nine".