64533386 has 8 divisors (see below), whose sum is σ = 101894880. Its totient is φ = 30568428.

The previous prime is 64533379. The next prime is 64533389. The reversal of 64533386 is 68333546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 1698247 = 64533386 / (6 + 4 + 5 + 3 + 3 + 3 + 8 + 6).

It is not an unprimeable number, because it can be changed into a prime (64533389) 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, 849086 + ... + 849161.

It is an arithmetic number, because the mean of its divisors is an integer number (12736860).

Almost surely, 2^64533386 is an apocalyptic number.

64533386 is a deficient number, since it is larger than the sum of its proper divisors (37361494).

64533386 is a wasteful number, since it uses less digits than its factorization.

64533386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698268.

The product of its digits is 155520, while the sum is 38.

The square root of 64533386 is about 8033.2674547783. The cubic root of 64533386 is about 401.1081480183.

The spelling of 64533386 in words is "sixty-four million, five hundred thirty-three thousand, three hundred eighty-six".