43213104 has 60 divisors (see below), whose sum is σ = 131935752. Its totient is φ = 13094400.

The previous prime is 43213097. The next prime is 43213109. The reversal of 43213104 is 40131234.

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 (43213109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12057 + ... + 15224.

Almost surely, 2^43213104 is an apocalyptic number.

43213104 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

43213104 is an abundant number, since it is smaller than the sum of its proper divisors (88722648).

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

43213104 is a wasteful number, since it uses less digits than its factorization.

43213104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27306 (or 27297 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 43213104 is about 6573.6674695333. The cubic root of 43213104 is about 350.9176030808.

Adding to 43213104 its reverse (40131234), we get a palindrome (83344338).

The spelling of 43213104 in words is "forty-three million, two hundred thirteen thousand, one hundred four".