420880086 has 24 divisors (see below), whose sum is σ = 994807944. Its totient is φ = 127539360.

The previous prime is 420880081. The next prime is 420880093. The reversal of 420880086 is 680088024.

It is a self number, because there is not a number n which added to its sum of digits gives 420880086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420880081) 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, 1062631 + ... + 1063026.

It is an arithmetic number, because the mean of its divisors is an integer number (41450331).

Almost surely, 2^420880086 is an apocalyptic number.

420880086 is an abundant number, since it is smaller than the sum of its proper divisors (573927858).

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

420880086 is a wasteful number, since it uses less digits than its factorization.

420880086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125676 (or 2125673 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 420880086 is about 20515.3621951941. The cubic root of 420880086 is about 749.4099572545.

The spelling of 420880086 in words is "four hundred twenty million, eight hundred eighty thousand, eighty-six".