43147930 has 48 divisors (see below), whose sum is σ = 91047240. Its totient is φ = 14679168.

The previous prime is 43147919. The next prime is 43147943. The reversal of 43147930 is 3974134.

It can be written as a sum of positive squares in 4 ways, for example, as 43020481 + 127449 = 6559^2 + 357^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43147892 and 43147901.

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, 84516 + ... + 85024.

Almost surely, 2^43147930 is an apocalyptic number.

43147930 is an abundant number, since it is smaller than the sum of its proper divisors (47899310).

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

43147930 is a wasteful number, since it uses less digits than its factorization.

43147930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703 (or 696 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 43147930 is about 6568.7083966332. The cubic root of 43147930 is about 350.7410963483.

The spelling of 43147930 in words is "forty-three million, one hundred forty-seven thousand, nine hundred thirty".