421859302 has 4 divisors (see below), whose sum is σ = 632788956. Its totient is φ = 210929650.

The previous prime is 421859293. The next prime is 421859303. The reversal of 421859302 is 203958124.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421859303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105464824 + ... + 105464827.

It is an arithmetic number, because the mean of its divisors is an integer number (158197239).

Almost surely, 2^421859302 is an apocalyptic number.

421859302 is a deficient number, since it is larger than the sum of its proper divisors (210929654).

421859302 is a wasteful number, since it uses less digits than its factorization.

421859302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210929653.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 421859302 is about 20539.2137629462. The cubic root of 421859302 is about 749.9906973661.

The spelling of 421859302 in words is "four hundred twenty-one million, eight hundred fifty-nine thousand, three hundred two".