65015384 has 16 divisors (see below), whose sum is σ = 139318800. Its totient is φ = 27863712.

The previous prime is 65015369. The next prime is 65015387. The reversal of 65015384 is 48351056.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 65015384.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65015387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580439 + ... + 580550.

It is an arithmetic number, because the mean of its divisors is an integer number (8707425).

Almost surely, 2^65015384 is an apocalyptic number.

It is an amenable number.

65015384 is an abundant number, since it is smaller than the sum of its proper divisors (74303416).

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

65015384 is a wasteful number, since it uses less digits than its factorization.

65015384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161002 (or 1160998 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 65015384 is about 8063.2117670318. The cubic root of 65015384 is about 402.1042937901.

The spelling of 65015384 in words is "sixty-five million, fifteen thousand, three hundred eighty-four".