421858204 has 12 divisors (see below), whose sum is σ = 739148200. Its totient is φ = 210673008.

The previous prime is 421858193. The next prime is 421858219. The reversal of 421858204 is 402858124.

It is a self number, because there is not a number n which added to its sum of digits gives 421858204.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 60294 + ... + 66925.

Almost surely, 2^421858204 is an apocalyptic number.

It is an amenable number.

421858204 is a deficient number, since it is larger than the sum of its proper divisors (317289996).

421858204 is a wasteful number, since it uses less digits than its factorization.

421858204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128052 (or 128050 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 421858204 is about 20539.1870335707. The cubic root of 421858204 is about 749.9900466827.

The spelling of 421858204 in words is "four hundred twenty-one million, eight hundred fifty-eight thousand, two hundred four".