43214100 has 72 divisors (see below), whose sum is σ = 125721120. Its totient is φ = 11460480.

The previous prime is 43214081. The next prime is 43214107. The reversal of 43214100 is 141234.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 43214100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43214107) 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 23 ways as a sum of consecutive naturals, for example, 84646 + ... + 85154.

Almost surely, 2^43214100 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 43214100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62860560).

43214100 is an abundant number, since it is smaller than the sum of its proper divisors (82507020).

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

43214100 is a wasteful number, since it uses less digits than its factorization.

43214100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 43214100 is about 6573.7432258950. The cubic root of 43214100 is about 350.9202991091.

Adding to 43214100 its reverse (141234), we get a palindrome (43355334).

The spelling of 43214100 in words is "forty-three million, two hundred fourteen thousand, one hundred".