421086489 has 8 divisors (see below), whose sum is σ = 573394560. Its totient is φ = 274751376.

The previous prime is 421086469. The next prime is 421086499. The reversal of 421086489 is 984680124.

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

It is not a de Polignac number, because 421086489 - 2¹³ = 421078297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 421086489.

It is not an unprimeable number, because it can be changed into a prime (421086439) 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, 1493074 + ... + 1493355.

It is an arithmetic number, because the mean of its divisors is an integer number (71674320).

Almost surely, 2^421086489 is an apocalyptic number.

It is an amenable number.

421086489 is a deficient number, since it is larger than the sum of its proper divisors (152308071).

421086489 is a wasteful number, since it uses less digits than its factorization.

421086489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986479.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 421086489 is about 20520.3920284190. The cubic root of 421086489 is about 749.5324428031.

The spelling of 421086489 in words is "four hundred twenty-one million, eighty-six thousand, four hundred eighty-nine".