64384467 has 16 divisors (see below), whose sum is σ = 99456000. Its totient is φ = 36286272.

The previous prime is 64384421. The next prime is 64384471. The reversal of 64384467 is 76448346.

It is not a de Polignac number, because 64384467 - 2¹⁰ = 64383443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64384417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19467 + ... + 22532.

It is an arithmetic number, because the mean of its divisors is an integer number (6216000).

Almost surely, 2^64384467 is an apocalyptic number.

64384467 is a deficient number, since it is larger than the sum of its proper divisors (35071533).

64384467 is a wasteful number, since it uses less digits than its factorization.

64384467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42082.

The product of its digits is 387072, while the sum is 42.

The square root of 64384467 is about 8023.9932078735. The cubic root of 64384467 is about 400.7993743541.

The spelling of 64384467 in words is "sixty-four million, three hundred eighty-four thousand, four hundred sixty-seven".