420614885 has 4 divisors (see below), whose sum is σ = 504737868. Its totient is φ = 336491904.

The previous prime is 420614861. The next prime is 420614899. The reversal of 420614885 is 588416024.

It is a happy number.

420614885 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 222875041 + 197739844 = 14929^2 + 14062^2 .

It is a cyclic number.

It is not a de Polignac number, because 420614885 - 2²⁰ = 419566309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42061484 + ... + 42061493.

It is an arithmetic number, because the mean of its divisors is an integer number (126184467).

Almost surely, 2^420614885 is an apocalyptic number.

It is an amenable number.

420614885 is a deficient number, since it is larger than the sum of its proper divisors (84122983).

420614885 is an equidigital number, since it uses as much as digits as its factorization.

420614885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84122982.

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 420614885 is about 20508.8977031921. The cubic root of 420614885 is about 749.2525204651.

It can be divided in two parts, 4206 and 14885, that added together give a palindrome (19091).

The spelling of 420614885 in words is "four hundred twenty million, six hundred fourteen thousand, eight hundred eighty-five".