65849289 has 24 divisors (see below), whose sum is σ = 96998496. Its totient is φ = 39705600.

The previous prime is 65849261. The next prime is 65849291. The reversal of 65849289 is 98294856.

It is not a de Polignac number, because 65849289 - 2⁹ = 65848777 is a prime.

It is a super-2 number, since 2×65849289² = 8672257723611042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65849219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102409 + ... + 103049.

It is an arithmetic number, because the mean of its divisors is an integer number (4041604).

Almost surely, 2^65849289 is an apocalyptic number.

It is an amenable number.

65849289 is a deficient number, since it is larger than the sum of its proper divisors (31149207).

65849289 is a wasteful number, since it uses less digits than its factorization.

65849289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949 (or 938 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 51.

The square root of 65849289 is about 8114.7574825130. The cubic root of 65849289 is about 403.8161619059.

The spelling of 65849289 in words is "sixty-five million, eight hundred forty-nine thousand, two hundred eighty-nine".