65826489 has 8 divisors (see below), whose sum is σ = 88328320. Its totient is φ = 43604496.

The previous prime is 65826473. The next prime is 65826493. The reversal of 65826489 is 98462856.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65826489 - 2⁴ = 65826473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65826419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69409 + ... + 70350.

It is an arithmetic number, because the mean of its divisors is an integer number (11041040).

Almost surely, 2^65826489 is an apocalyptic number.

It is an amenable number.

65826489 is a deficient number, since it is larger than the sum of its proper divisors (22501831).

65826489 is a wasteful number, since it uses less digits than its factorization.

65826489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139919.

The product of its digits is 829440, while the sum is 48.

The square root of 65826489 is about 8113.3525129875. The cubic root of 65826489 is about 403.7695500571.

The spelling of 65826489 in words is "sixty-five million, eight hundred twenty-six thousand, four hundred eighty-nine".