65309384 has 32 divisors (see below), whose sum is σ = 147316800. Its totient is φ = 26516160.

The previous prime is 65309381. The next prime is 65309429. The reversal of 65309384 is 48390356.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (65309381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29627 + ... + 31754.

It is an arithmetic number, because the mean of its divisors is an integer number (4603650).

Almost surely, 2^65309384 is an apocalyptic number.

It is an amenable number.

65309384 is an abundant number, since it is smaller than the sum of its proper divisors (82007416).

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

65309384 is a wasteful number, since it uses less digits than its factorization.

65309384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61413 (or 61409 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 65309384 is about 8081.4221520720. The cubic root of 65309384 is about 402.7094885724.

The spelling of 65309384 in words is "sixty-five million, three hundred nine thousand, three hundred eighty-four".