421611300 has 216 divisors, whose sum is σ = 1481905152. Its totient is φ = 99360000.

The previous prime is 421611293. The next prime is 421611301. The reversal of 421611300 is 3116124.

It is a happy number.

421611300 is a `hidden beast` number, since 4 + 21 + 611 + 30 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (421611301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 365725 + ... + 366875.

It is an arithmetic number, because the mean of its divisors is an integer number (6860672).

Almost surely, 2^421611300 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 421611300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (740952576).

421611300 is an abundant number, since it is smaller than the sum of its proper divisors (1060293852).

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

421611300 is a wasteful number, since it uses less digits than its factorization.

421611300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219 (or 1209 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 421611300 is about 20533.1755946322. The cubic root of 421611300 is about 749.8437007630.

Adding to 421611300 its reverse (3116124), we get a palindrome (424727424).

The spelling of 421611300 in words is "four hundred twenty-one million, six hundred eleven thousand, three hundred".