65039392 has 48 divisors (see below), whose sum is σ = 142968672. Its totient is φ = 28869120.

The previous prime is 65039389. The next prime is 65039411. The reversal of 65039392 is 29393056.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12988 + ... + 17284.

It is an arithmetic number, because the mean of its divisors is an integer number (2978514).

Almost surely, 2^65039392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65039392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71484336).

65039392 is an abundant number, since it is smaller than the sum of its proper divisors (77929280).

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

65039392 is a wasteful number, since it uses less digits than its factorization.

65039392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4361 (or 4353 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 37.

The square root of 65039392 is about 8064.7003664116. The cubic root of 65039392 is about 402.1537822407.

The spelling of 65039392 in words is "sixty-five million, thirty-nine thousand, three hundred ninety-two".