43479936 has 128 divisors (see below), whose sum is σ = 134150400. Its totient is φ = 13837824.

The previous prime is 43479929. The next prime is 43479979. The reversal of 43479936 is 63997434.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 43479891 and 43479900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79215 + ... + 79761.

It is an arithmetic number, because the mean of its divisors is an integer number (1048050).

Almost surely, 2^43479936 is an apocalyptic number.

43479936 is a gapful number since it is divisible by the number (46) 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 43479936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67075200).

43479936 is an abundant number, since it is smaller than the sum of its proper divisors (90670464).

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

43479936 is a wasteful number, since it uses less digits than its factorization.

43479936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593 (or 575 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 43479936 is about 6593.9317557888. The cubic root of 43479936 is about 351.6384027758.

The spelling of 43479936 in words is "forty-three million, four hundred seventy-nine thousand, nine hundred thirty-six".