43703928 has 64 divisors (see below), whose sum is σ = 125604000. Its totient is φ = 14063616.

The previous prime is 43703921. The next prime is 43703929. The reversal of 43703928 is 82930734.

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

It is a junction number, because it is equal to n+sod(n) for n = 43703892 and 43703901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43703921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2776 + ... + 9752.

Almost surely, 2^43703928 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 43703928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62802000).

43703928 is an abundant number, since it is smaller than the sum of its proper divisors (81900072).

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

43703928 is a wasteful number, since it uses less digits than its factorization.

43703928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7021 (or 7011 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 43703928 is about 6610.8946444487. The cubic root of 43703928 is about 352.2412043420.

The spelling of 43703928 in words is "forty-three million, seven hundred three thousand, nine hundred twenty-eight".