65389982 has 32 divisors (see below), whose sum is σ = 118540800. Its totient is φ = 26427168.

The previous prime is 65389979. The next prime is 65389993. The reversal of 65389982 is 28998356.

It is a self number, because there is not a number n which added to its sum of digits gives 65389982.

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, 77519 + ... + 78357.

It is an arithmetic number, because the mean of its divisors is an integer number (3704400).

Almost surely, 2^65389982 is an apocalyptic number.

65389982 is a deficient number, since it is larger than the sum of its proper divisors (53150818).

65389982 is a wasteful number, since it uses less digits than its factorization.

65389982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160.

The product of its digits is 933120, while the sum is 50.

The square root of 65389982 is about 8086.4072368389. The cubic root of 65389982 is about 402.8750810933.

The spelling of 65389982 in words is "sixty-five million, three hundred eighty-nine thousand, nine hundred eighty-two".