421030587 has 8 divisors (see below), whose sum is σ = 574429504. Its totient is φ = 274159368.

The previous prime is 421030573. The next prime is 421030591. The reversal of 421030587 is 785030124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 421030587 - 2⁶ = 421030523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421030187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1631773 + ... + 1632030.

It is an arithmetic number, because the mean of its divisors is an integer number (71803688).

Almost surely, 2^421030587 is an apocalyptic number.

421030587 is a deficient number, since it is larger than the sum of its proper divisors (153398917).

421030587 is a wasteful number, since it uses less digits than its factorization.

421030587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3263849.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 421030587 is about 20519.0298747285. The cubic root of 421030587 is about 749.4992728820.

The spelling of 421030587 in words is "four hundred twenty-one million, thirty thousand, five hundred eighty-seven".