43969104 has 60 divisors (see below), whose sum is σ = 127307700. Its totient is φ = 14149632.

The previous prime is 43969099. The next prime is 43969117. The reversal of 43969104 is 40196934.

43969104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 29680704 + 14288400 = 5448^2 + 3780^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1089 + ... + 9440.

It is an arithmetic number, because the mean of its divisors is an integer number (2121795).

Almost surely, 2^43969104 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 43969104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63653850).

43969104 is an abundant number, since it is smaller than the sum of its proper divisors (83338596).

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

43969104 is a wasteful number, since it uses less digits than its factorization.

43969104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10572 (or 10563 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 43969104 is about 6630.9202981185. The cubic root of 43969104 is about 352.9521826372.

The spelling of 43969104 in words is "forty-three million, nine hundred sixty-nine thousand, one hundred four".