65983036 has 48 divisors (see below), whose sum is σ = 135023616. Its totient is φ = 27633024.

The previous prime is 65983013. The next prime is 65983079. The reversal of 65983036 is 63038956.

It is a super-2 number, since 2×65983036² = 8707522079554592, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 65983036.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395025 + ... + 395191.

It is an arithmetic number, because the mean of its divisors is an integer number (2812992).

Almost surely, 2^65983036 is an apocalyptic number.

It is an amenable number.

65983036 is an abundant number, since it is smaller than the sum of its proper divisors (69040580).

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

65983036 is a wasteful number, since it uses less digits than its factorization.

65983036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 65983036 is about 8122.9942755120. The cubic root of 65983036 is about 404.0893750571.

The spelling of 65983036 in words is "sixty-five million, nine hundred eighty-three thousand, thirty-six".