43213880 has 16 divisors (see below), whose sum is σ = 97231320. Its totient is φ = 17285536.

The previous prime is 43213879. The next prime is 43213889. The reversal of 43213880 is 8831234.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43213889) 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 3 ways as a sum of consecutive naturals, for example, 540134 + ... + 540213.

Almost surely, 2^43213880 is an apocalyptic number.

43213880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43213880 is an abundant number, since it is smaller than the sum of its proper divisors (54017440).

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

43213880 is a wasteful number, since it uses less digits than its factorization.

43213880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080358 (or 1080354 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 43213880 is about 6573.7264926372. The cubic root of 43213880 is about 350.9197036044.

The spelling of 43213880 in words is "forty-three million, two hundred thirteen thousand, eight hundred eighty".