43141988 has 12 divisors (see below), whose sum is σ = 79939692. Its totient is φ = 20302080.

The previous prime is 43141961. The next prime is 43141991. The reversal of 43141988 is 88914134.

It can be written as a sum of positive squares in 2 ways, for example, as 33269824 + 9872164 = 5768^2 + 3142^2 .

It is a super-2 number, since 2×43141988² = 3722462257184288, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 317153 + ... + 317288.

It is an arithmetic number, because the mean of its divisors is an integer number (6661641).

Almost surely, 2^43141988 is an apocalyptic number.

It is an amenable number.

43141988 is a deficient number, since it is larger than the sum of its proper divisors (36797704).

43141988 is a wasteful number, since it uses less digits than its factorization.

43141988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634462 (or 634460 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 43141988 is about 6568.2560851416. The cubic root of 43141988 is about 350.7249951566.

The spelling of 43141988 in words is "forty-three million, one hundred forty-one thousand, nine hundred eighty-eight".