420833364 has 72 divisors (see below), whose sum is σ = 1144983168. Its totient is φ = 119952000.

The previous prime is 420833363. The next prime is 420833407. The reversal of 420833364 is 463338024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420833363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 441112 + ... + 442064.

It is an arithmetic number, because the mean of its divisors is an integer number (15902544).

Almost surely, 2^420833364 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 420833364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (572491584).

420833364 is an abundant number, since it is smaller than the sum of its proper divisors (724149804).

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

420833364 is a wasteful number, since it uses less digits than its factorization.

420833364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725 (or 1716 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 420833364 is about 20514.2234559342. The cubic root of 420833364 is about 749.3822255015.

The spelling of 420833364 in words is "four hundred twenty million, eight hundred thirty-three thousand, three hundred sixty-four".