43484436 has 72 divisors (see below), whose sum is σ = 119292264. Its totient is φ = 13301760.

The previous prime is 43484429. The next prime is 43484443. The reversal of 43484436 is 63448434.

It is an interprime number because it is at equal distance from previous prime (43484429) and next prime (43484443).

It can be written as a sum of positive squares in 4 ways, for example, as 2268036 + 41216400 = 1506^2 + 6420^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 43484436.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 24226 + ... + 25958.

It is an arithmetic number, because the mean of its divisors is an integer number (1656837).

Almost surely, 2^43484436 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 43484436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59646132).

43484436 is an abundant number, since it is smaller than the sum of its proper divisors (75807828).

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

43484436 is a wasteful number, since it uses less digits than its factorization.

43484436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801 (or 1796 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The square root of 43484436 is about 6594.2729697822. The cubic root of 43484436 is about 351.6505334148.

The spelling of 43484436 in words is "forty-three million, four hundred eighty-four thousand, four hundred thirty-six".