421250886 has 24 divisors (see below), whose sum is σ = 1043097744. Its totient is φ = 120357360.

The previous prime is 421250867. The next prime is 421250887. The reversal of 421250886 is 688052124.

It is a self number, because there is not a number n which added to its sum of digits gives 421250886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421250887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1671505 + ... + 1671756.

It is an arithmetic number, because the mean of its divisors is an integer number (43462406).

Almost surely, 2^421250886 is an apocalyptic number.

421250886 is an abundant number, since it is smaller than the sum of its proper divisors (621846858).

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

421250886 is a wasteful number, since it uses less digits than its factorization.

421250886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3343276 (or 3343273 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 421250886 is about 20524.3973358537. The cubic root of 421250886 is about 749.6299721359.

The spelling of 421250886 in words is "four hundred twenty-one million, two hundred fifty thousand, eight hundred eighty-six".