854210420 has 48 divisors (see below), whose sum is σ = 2059373568. Its totient is φ = 291548160.

The previous prime is 854210393. The next prime is 854210447. The reversal of 854210420 is 24012458.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (854210393) and next prime (854210447).

It is a self number, because there is not a number n which added to its sum of digits gives 854210420.

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 15 ways as a sum of consecutive naturals, for example, 17540 + ... + 44900.

It is an arithmetic number, because the mean of its divisors is an integer number (42903616).

Almost surely, 2^854210420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 854210420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1029686784).

854210420 is an abundant number, since it is smaller than the sum of its proper divisors (1205163148).

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

854210420 is a wasteful number, since it uses less digits than its factorization.

854210420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27600 (or 27598 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 854210420 is about 29226.8783827490. The cubic root of 854210420 is about 948.8297390572.

Adding to 854210420 its reverse (24012458), we get a palindrome (878222878).

The spelling of 854210420 in words is "eight hundred fifty-four million, two hundred ten thousand, four hundred twenty".