43748928 has 84 divisors (see below), whose sum is σ = 126479808. Its totient is φ = 14457600.

The previous prime is 43748917. The next prime is 43748959. The reversal of 43748928 is 82984734.

It is a super-2 number, since 2×43748928² = 3827937402298368, which contains 22 as substring.

Its product of digits (387072) is a multiple of the sum of its prime factors (672).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 86725 + ... + 87227.

It is an arithmetic number, because the mean of its divisors is an integer number (1505712).

Almost surely, 2^43748928 is an apocalyptic number.

43748928 is a gapful number since it is divisible by the number (48) 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 43748928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63239904).

43748928 is an abundant number, since it is smaller than the sum of its proper divisors (82730880).

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

43748928 is a wasteful number, since it uses less digits than its factorization.

43748928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 659 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 43748928 is about 6614.2972415821. The cubic root of 43748928 is about 352.3620585972.

The spelling of 43748928 in words is "forty-three million, seven hundred forty-eight thousand, nine hundred twenty-eight".