421986195 has 12 divisors (see below), whose sum is σ = 731442816. Its totient is φ = 225059280.

The previous prime is 421986179. The next prime is 421986241. The reversal of 421986195 is 591689124.

421986195 is a `hidden beast` number, since 4 + 21 + 9 + 8 + 619 + 5 = 666.

It is not a de Polignac number, because 421986195 - 2⁴ = 421986179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 9377471 = 421986195 / (4 + 2 + 1 + 9 + 8 + 6 + 1 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 421986195.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4688691 + ... + 4688780.

It is an arithmetic number, because the mean of its divisors is an integer number (60953568).

Almost surely, 2^421986195 is an apocalyptic number.

421986195 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

421986195 is a deficient number, since it is larger than the sum of its proper divisors (309456621).

421986195 is a wasteful number, since it uses less digits than its factorization.

421986195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9377482 (or 9377479 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 421986195 is about 20542.3025729834. The cubic root of 421986195 is about 750.0658875449.

The spelling of 421986195 in words is "four hundred twenty-one million, nine hundred eighty-six thousand, one hundred ninety-five".