64243883 has 16 divisors (see below), whose sum is σ = 74304000. Its totient is φ = 54931680.

The previous prime is 64243871. The next prime is 64243931. The reversal of 64243883 is 38834246.

64243883 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 64243883 - 2⁶ = 64243819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64243813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30110 + ... + 32172.

It is an arithmetic number, because the mean of its divisors is an integer number (4644000).

Almost surely, 2^64243883 is an apocalyptic number.

64243883 is a deficient number, since it is larger than the sum of its proper divisors (10060117).

64243883 is a wasteful number, since it uses less digits than its factorization.

64243883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242.

The product of its digits is 110592, while the sum is 38.

The square root of 64243883 is about 8015.2281938819. The cubic root of 64243883 is about 400.5074455586.

The spelling of 64243883 in words is "sixty-four million, two hundred forty-three thousand, eight hundred eighty-three".