65388296 has 8 divisors (see below), whose sum is σ = 122603070. Its totient is φ = 32694144.

The previous prime is 65388289. The next prime is 65388299. The reversal of 65388296 is 69288356.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 65383396 + 4900 = 8086^2 + 70^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×65388296³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65388296.

It is not an unprimeable number, because it can be changed into a prime (65388299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4086761 + ... + 4086776.

Almost surely, 2^65388296 is an apocalyptic number.

It is an amenable number.

65388296 is a deficient number, since it is larger than the sum of its proper divisors (57214774).

65388296 is a wasteful number, since it uses less digits than its factorization.

65388296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8173543 (or 8173539 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The square root of 65388296 is about 8086.3029871506. The cubic root of 65388296 is about 402.8716185179.

The spelling of 65388296 in words is "sixty-five million, three hundred eighty-eight thousand, two hundred ninety-six".