487628421 has 16 divisors (see below), whose sum is σ = 743382528. Its totient is φ = 278521200.

The previous prime is 487628413. The next prime is 487628423. The reversal of 487628421 is 124826784.

It is not a de Polignac number, because 487628421 - 2³ = 487628413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487628423) 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, 66466 + ... + 73436.

It is an arithmetic number, because the mean of its divisors is an integer number (46461408).

Almost surely, 2^487628421 is an apocalyptic number.

It is an amenable number.

487628421 is a deficient number, since it is larger than the sum of its proper divisors (255754107).

487628421 is a wasteful number, since it uses less digits than its factorization.

487628421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10312.

The product of its digits is 172032, while the sum is 42.

The square root of 487628421 is about 22082.3101373022. The cubic root of 487628421 is about 787.0995607874.

The spelling of 487628421 in words is "four hundred eighty-seven million, six hundred twenty-eight thousand, four hundred twenty-one".