43923968 has 60 divisors (see below), whose sum is σ = 96601890. Its totient is φ = 19937280.

The previous prime is 43923967. The next prime is 43923983. The reversal of 43923968 is 86932934.

It can be written as a sum of positive squares in only one way, i.e., 42406144 + 1517824 = 6512^2 + 1232^2 .

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (43923967) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61598 + ... + 62306.

Almost surely, 2^43923968 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 43923968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48300945).

43923968 is an abundant number, since it is smaller than the sum of its proper divisors (52677922).

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

43923968 is an equidigital number, since it uses as much as digits as its factorization.

43923968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749 (or 722 counting only the distinct ones).

The product of its digits is 279936, while the sum is 44.

The square root of 43923968 is about 6627.5159750845. The cubic root of 43923968 is about 352.8313682274.

The spelling of 43923968 in words is "forty-three million, nine hundred twenty-three thousand, nine hundred sixty-eight".