65986038 has 24 divisors (see below), whose sum is σ = 143161200. Its totient is φ = 21965904.

The previous prime is 65986033. The next prime is 65986043. The reversal of 65986038 is 83068956.

It is an interprime number because it is at equal distance from previous prime (65986033) and next prime (65986043).

It is a junction number, because it is equal to n+sod(n) for n = 65985984 and 65986002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65986033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14548 + ... + 18536.

It is an arithmetic number, because the mean of its divisors is an integer number (5965050).

Almost surely, 2^65986038 is an apocalyptic number.

65986038 is an abundant number, since it is smaller than the sum of its proper divisors (77175162).

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

65986038 is a wasteful number, since it uses less digits than its factorization.

65986038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4916 (or 4913 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 65986038 is about 8123.1790574873. The cubic root of 65986038 is about 404.0955031873.

The spelling of 65986038 in words is "sixty-five million, nine hundred eighty-six thousand, thirty-eight".