488724821 has 16 divisors (see below), whose sum is σ = 556248000. Its totient is φ = 425668608.

The previous prime is 488724787. The next prime is 488724839. The reversal of 488724821 is 128427884.

It is a cyclic number.

It is not a de Polignac number, because 488724821 - 2⁶ = 488724757 is a prime.

It is a super-2 number, since 2×488724821² = 477703901322964082, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488724851) 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, 59630 + ... + 67328.

It is an arithmetic number, because the mean of its divisors is an integer number (34765500).

Almost surely, 2^488724821 is an apocalyptic number.

It is an amenable number.

488724821 is a deficient number, since it is larger than the sum of its proper divisors (67523179).

488724821 is a wasteful number, since it uses less digits than its factorization.

488724821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7988.

The product of its digits is 229376, while the sum is 44.

The square root of 488724821 is about 22107.1214996435. The cubic root of 488724821 is about 787.6890328435.

The spelling of 488724821 in words is "four hundred eighty-eight million, seven hundred twenty-four thousand, eight hundred twenty-one".