65043836 has 48 divisors (see below), whose sum is σ = 141613920. Its totient is φ = 25681920.

The previous prime is 65043833. The next prime is 65043851. The reversal of 65043836 is 63834056.

It is a junction number, because it is equal to n+sod(n) for n = 65043796 and 65043805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65043833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6380 + ... + 13068.

It is an arithmetic number, because the mean of its divisors is an integer number (2950290).

Almost surely, 2^65043836 is an apocalyptic number.

It is an amenable number.

65043836 is an abundant number, since it is smaller than the sum of its proper divisors (76570084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65043836 is a wasteful number, since it uses less digits than its factorization.

65043836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6734 (or 6732 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 65043836 is about 8064.9758834109. The cubic root of 65043836 is about 402.1629414628.

The spelling of 65043836 in words is "sixty-five million, forty-three thousand, eight hundred thirty-six".