65838849 has 8 divisors (see below), whose sum is σ = 88015872. Its totient is φ = 43777200.

The previous prime is 65838827. The next prime is 65838859. The reversal of 65838849 is 94883856.

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

It is not a de Polignac number, because 65838849 - 2²⁴ = 49061633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65838859) 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, 27502 + ... + 29799.

It is an arithmetic number, because the mean of its divisors is an integer number (11001984).

Almost surely, 2^65838849 is an apocalyptic number.

It is an amenable number.

65838849 is a deficient number, since it is larger than the sum of its proper divisors (22177023).

65838849 is a wasteful number, since it uses less digits than its factorization.

65838849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57687.

The product of its digits is 1658880, while the sum is 51.

The square root of 65838849 is about 8114.1141845552. The cubic root of 65838849 is about 403.7948199213.

The spelling of 65838849 in words is "sixty-five million, eight hundred thirty-eight thousand, eight hundred forty-nine".