421475286 has 16 divisors (see below), whose sum is σ = 845664768. Its totient is φ = 140039400.

The previous prime is 421475267. The next prime is 421475297. The reversal of 421475286 is 682574124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111070 + ... + 114801.

It is an arithmetic number, because the mean of its divisors is an integer number (52854048).

Almost surely, 2^421475286 is an apocalyptic number.

421475286 is an abundant number, since it is smaller than the sum of its proper divisors (424189482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421475286 is a wasteful number, since it uses less digits than its factorization.

421475286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226187.

The product of its digits is 107520, while the sum is 39.

The square root of 421475286 is about 20529.8632728034. The cubic root of 421475286 is about 749.7630575967.

The spelling of 421475286 in words is "four hundred twenty-one million, four hundred seventy-five thousand, two hundred eighty-six".