43378116 has 12 divisors (see below), whose sum is σ = 101215632. Its totient is φ = 14459368.

The previous prime is 43378103. The next prime is 43378129. The reversal of 43378116 is 61187334.

43378116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (43378103) and next prime (43378129).

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 1807410 + ... + 1807433.

It is an arithmetic number, because the mean of its divisors is an integer number (8434636).

Almost surely, 2^43378116 is an apocalyptic number.

It is an amenable number.

43378116 is an abundant number, since it is smaller than the sum of its proper divisors (57837516).

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

43378116 is a wasteful number, since it uses less digits than its factorization.

43378116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614850 (or 3614848 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 43378116 is about 6586.2064953963. The cubic root of 43378116 is about 351.3637028414.

It can be divided in two parts, 433781 and 16, that multiplied together give a palindrome (6940496).

The spelling of 43378116 in words is "forty-three million, three hundred seventy-eight thousand, one hundred sixteen".