64392 has 16 divisors (see below), whose sum is σ = 161040. Its totient is φ = 21456.

The previous prime is 64381. The next prime is 64399. The reversal of 64392 is 29346.

It is a hoax number, since the sum of its digits (24) 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 (24), and also a Moran number because the ratio is a prime number: 2683 = 64392 / (6 + 4 + 3 + 9 + 2).

It is a d-powerful number, because it can be written as 6 + 4⁶ + 3¹⁰ + 9³ + 2⁹ .

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 64392.

It is not an unprimeable number, because it can be changed into a prime (64399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1318 + ... + 1365.

It is an arithmetic number, because the mean of its divisors is an integer number (10065).

2⁶⁴³⁹² is an apocalyptic number.

It is an amenable number.

64392 is an abundant number, since it is smaller than the sum of its proper divisors (96648).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80520).

64392 is a wasteful number, since it uses less digits than its factorization.

64392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692 (or 2688 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

The square root of 64392 is about 253.7557881113. The cubic root of 64392 is about 40.0815004956.

It can be divided in two parts, 6439 and 2, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 64392 in words is "sixty-four thousand, three hundred ninety-two".