65804 has 6 divisors (see below), whose sum is σ = 115164. Its totient is φ = 32900.

The previous prime is 65789. The next prime is 65809. The reversal of 65804 is 40856.

It is a self number, because there is not a number n which added to its sum of digits gives 65804.

It is not an unprimeable number, because it can be changed into a prime (65809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8222 + ... + 8229.

It is an arithmetic number, because the mean of its divisors is an integer number (19194).

2⁶⁵⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

65804 is a deficient number, since it is larger than the sum of its proper divisors (49360).

65804 is a wasteful number, since it uses less digits than its factorization.

65804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16455 (or 16453 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 65804 is about 256.5229034609. The cubic root of 65804 is about 40.3723563465.

The spelling of 65804 in words is "sixty-five thousand, eight hundred four".