240721984 has 28 divisors (see below), whose sum is σ = 478468944. Its totient is φ = 120162944.

The previous prime is 240721981. The next prime is 240721997. The reversal of 240721984 is 489127042.

It is not an unprimeable number, because it can be changed into a prime (240721981) 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, 40959 + ... + 46465.

Almost surely, 2^240721984 is an apocalyptic number.

It is an amenable number.

240721984 is a deficient number, since it is larger than the sum of its proper divisors (237746960).

240721984 is an equidigital number, since it uses as much as digits as its factorization.

240721984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6202 (or 6192 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 240721984 is about 15515.2178199341. The cubic root of 240721984 is about 622.0690362885.

The spelling of 240721984 in words is "two hundred forty million, seven hundred twenty-one thousand, nine hundred eighty-four".