421146286 has 16 divisors (see below), whose sum is σ = 725420160. Its totient is φ = 181354680.

The previous prime is 421146283. The next prime is 421146289. The reversal of 421146286 is 682641124.

It is an interprime number because it is at equal distance from previous prime (421146283) and next prime (421146289).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421146283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503346 + ... + 504181.

It is an arithmetic number, because the mean of its divisors is an integer number (45338760).

Almost surely, 2^421146286 is an apocalyptic number.

421146286 is a deficient number, since it is larger than the sum of its proper divisors (304273874).

421146286 is a wasteful number, since it uses less digits than its factorization.

421146286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007559.

The product of its digits is 18432, while the sum is 34.

The square root of 421146286 is about 20521.8489907708. The cubic root of 421146286 is about 749.5679206058.

It can be divided in two parts, 42114 and 6286, that added together give a square (48400 = 220²).

The spelling of 421146286 in words is "four hundred twenty-one million, one hundred forty-six thousand, two hundred eighty-six".