65839801 has 8 divisors (see below), whose sum is σ = 67281408. Its totient is φ = 64410000.

The previous prime is 65839799. The next prime is 65839819. The reversal of 65839801 is 10893856.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 65839801 - 2¹ = 65839799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65839841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8826 + ... + 14476.

It is an arithmetic number, because the mean of its divisors is an integer number (8410176).

Almost surely, 2^65839801 is an apocalyptic number.

65839801 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

65839801 is a deficient number, since it is larger than the sum of its proper divisors (1441607).

65839801 is a wasteful number, since it uses less digits than its factorization.

65839801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5903.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 65839801 is about 8114.1728475551. The cubic root of 65839801 is about 403.7967661421.

It can be divided in two parts, 6583 and 9801, that added together give a 14-th power (16384 = 2¹⁴).

The spelling of 65839801 in words is "sixty-five million, eight hundred thirty-nine thousand, eight hundred one".