64233984 has 160 divisors (see below), whose sum is σ = 188559360. Its totient is φ = 19353600.

The previous prime is 64233979. The next prime is 64233989. The reversal of 64233984 is 48933246.

It is an interprime number because it is at equal distance from previous prime (64233979) and next prime (64233989).

It is not an unprimeable number, because it can be changed into a prime (64233989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 904669 + ... + 904739.

It is an arithmetic number, because the mean of its divisors is an integer number (1178496).

Almost surely, 2^64233984 is an apocalyptic number.

64233984 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64233984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94279680).

64233984 is an abundant number, since it is smaller than the sum of its proper divisors (124325376).

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

64233984 is a wasteful number, since it uses less digits than its factorization.

64233984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 126 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 64233984 is about 8014.6106580420. The cubic root of 64233984 is about 400.4868738110.

The spelling of 64233984 in words is "sixty-four million, two hundred thirty-three thousand, nine hundred eighty-four".