421432100 has 36 divisors (see below), whose sum is σ = 917941248. Its totient is φ = 167940000.

The previous prime is 421432069. The next prime is 421432111. The reversal of 421432100 is 1234124.

421432100 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19325 + ... + 34875.

It is an arithmetic number, because the mean of its divisors is an integer number (25498368).

Almost surely, 2^421432100 is an apocalyptic number.

It is an amenable number.

421432100 is an abundant number, since it is smaller than the sum of its proper divisors (496509148).

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

421432100 is a wasteful number, since it uses less digits than its factorization.

421432100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15836 (or 15829 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 421432100 is about 20528.8114609687. The cubic root of 421432100 is about 749.7374488407.

Adding to 421432100 its reverse (1234124), we get a palindrome (422666224).

The spelling of 421432100 in words is "four hundred twenty-one million, four hundred thirty-two thousand, one hundred".