43851960 has 96 divisors (see below), whose sum is σ = 146044080. Its totient is φ = 11404800.

The previous prime is 43851931. The next prime is 43851967. The reversal of 43851960 is 6915834.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43851967) 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, 13275 + ... + 16245.

Almost surely, 2^43851960 is an apocalyptic number.

43851960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43851960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73022040).

43851960 is an abundant number, since it is smaller than the sum of its proper divisors (102192120).

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

43851960 is a wasteful number, since it uses less digits than its factorization.

43851960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3029 (or 3022 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 43851960 is about 6622.0812438387. The cubic root of 43851960 is about 352.6384547400.

The spelling of 43851960 in words is "forty-three million, eight hundred fifty-one thousand, nine hundred sixty".