43820352 has 140 divisors (see below), whose sum is σ = 132770880. Its totient is φ = 14287104.

The previous prime is 43820341. The next prime is 43820353. The reversal of 43820352 is 25302834.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43820353) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 409483 + ... + 409589.

Almost surely, 2^43820352 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 43820352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66385440).

43820352 is an abundant number, since it is smaller than the sum of its proper divisors (88950528).

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

43820352 is a wasteful number, since it uses less digits than its factorization.

43820352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 43820352 is about 6619.6942527582. The cubic root of 43820352 is about 352.5537084302.

The spelling of 43820352 in words is "forty-three million, eight hundred twenty thousand, three hundred fifty-two".