420833336 has 64 divisors (see below), whose sum is σ = 994049280. Its totient is φ = 162247680.

The previous prime is 420833333. The next prime is 420833341. The reversal of 420833336 is 633338024.

It is a super-4 number, since 4×420833336⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420833333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56231 + ... + 63273.

It is an arithmetic number, because the mean of its divisors is an integer number (15532020).

Almost surely, 2^420833336 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 420833336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (497024640).

420833336 is an abundant number, since it is smaller than the sum of its proper divisors (573215944).

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

420833336 is a wasteful number, since it uses less digits than its factorization.

420833336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7164 (or 7160 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

The square root of 420833336 is about 20514.2227734808. Note that the first 3 decimals coincide. The cubic root of 420833336 is about 749.3822088815.

The spelling of 420833336 in words is "four hundred twenty million, eight hundred thirty-three thousand, three hundred thirty-six".