65090208 has 24 divisors (see below), whose sum is σ = 170862048. Its totient is φ = 21696704.

The previous prime is 65090197. The next prime is 65090209. The reversal of 65090208 is 80209056.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (65090209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338916 + ... + 339107.

It is an arithmetic number, because the mean of its divisors is an integer number (7119252).

Almost surely, 2^65090208 is an apocalyptic number.

It is an amenable number.

65090208 is an abundant number, since it is smaller than the sum of its proper divisors (105771840).

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

65090208 is a wasteful number, since it uses less digits than its factorization.

65090208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678036 (or 678028 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 65090208 is about 8067.8502712928. The cubic root of 65090208 is about 402.2584907157.

The spelling of 65090208 in words is "sixty-five million, ninety thousand, two hundred eight".