421134600 has 96 divisors (see below), whose sum is σ = 1362323520. Its totient is φ = 107416320.

The previous prime is 421134599. The next prime is 421134619. The reversal of 421134600 is 6431124.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1459 + ... + 29058.

It is an arithmetic number, because the mean of its divisors is an integer number (14190870).

Almost surely, 2^421134600 is an apocalyptic number.

421134600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421134600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (681161760).

421134600 is an abundant number, since it is smaller than the sum of its proper divisors (941188920).

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

421134600 is a wasteful number, since it uses less digits than its factorization.

421134600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30559 (or 30550 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 421134600 is about 20521.5642678622. The cubic root of 421134600 is about 749.5609875186.

Adding to 421134600 its reverse (6431124), we get a palindrome (427565724).

The spelling of 421134600 in words is "four hundred twenty-one million, one hundred thirty-four thousand, six hundred".