64293984 has 36 divisors (see below), whose sum is σ = 182836836. Its totient is φ = 21431232.

The previous prime is 64293973. The next prime is 64293989. The reversal of 64293984 is 48939246.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64293989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111334 + ... + 111909.

It is an arithmetic number, because the mean of its divisors is an integer number (5078801).

Almost surely, 2^64293984 is an apocalyptic number.

It is an amenable number.

64293984 is an abundant number, since it is smaller than the sum of its proper divisors (118542852).

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

64293984 is a wasteful number, since it uses less digits than its factorization.

64293984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223259 (or 223248 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 64293984 is about 8018.3529480810. The cubic root of 64293984 is about 400.6115312640.

The spelling of 64293984 in words is "sixty-four million, two hundred ninety-three thousand, nine hundred eighty-four".