421858201 has 8 divisors (see below), whose sum is σ = 440605440. Its totient is φ = 403497648.

The previous prime is 421858193. The next prime is 421858219. The reversal of 421858201 is 102858124.

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 421858201 - 2³ = 421858193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421858271) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 94441 + ... + 98806.

It is an arithmetic number, because the mean of its divisors is an integer number (55075680).

Almost surely, 2^421858201 is an apocalyptic number.

It is an amenable number.

421858201 is a deficient number, since it is larger than the sum of its proper divisors (18747239).

421858201 is a wasteful number, since it uses less digits than its factorization.

421858201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193343.

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 421858201 is about 20539.1869605396. The cubic root of 421858201 is about 749.9900449049.

The spelling of 421858201 in words is "four hundred twenty-one million, eight hundred fifty-eight thousand, two hundred one".