421283705 has 8 divisors (see below), whose sum is σ = 507328512. Its totient is φ = 335834928.

The previous prime is 421283693. The next prime is 421283711. The reversal of 421283705 is 507382124.

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

It is a cyclic number.

It is not a de Polignac number, because 421283705 - 2⁴ = 421283689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147449 + ... + 150278.

It is an arithmetic number, because the mean of its divisors is an integer number (63416064).

Almost surely, 2^421283705 is an apocalyptic number.

It is an amenable number.

421283705 is a deficient number, since it is larger than the sum of its proper divisors (86044807).

421283705 is a wasteful number, since it uses less digits than its factorization.

421283705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298015.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 421283705 is about 20525.1968321865. The cubic root of 421283705 is about 749.6494391313.

The spelling of 421283705 in words is "four hundred twenty-one million, two hundred eighty-three thousand, seven hundred five".