43868541 has 16 divisors (see below), whose sum is σ = 59439744. Its totient is φ = 28775424.

The previous prime is 43868527. The next prime is 43868543. The reversal of 43868541 is 14586834.

It is not a de Polignac number, because 43868541 - 2⁵ = 43868509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43868541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43868543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67480 + ... + 68126.

It is an arithmetic number, because the mean of its divisors is an integer number (3714984).

Almost surely, 2^43868541 is an apocalyptic number.

It is an amenable number.

43868541 is a deficient number, since it is larger than the sum of its proper divisors (15571203).

43868541 is a wasteful number, since it uses less digits than its factorization.

43868541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980.

The product of its digits is 92160, while the sum is 39.

The square root of 43868541 is about 6623.3330733098. Note that the first 3 decimals coincide. The cubic root of 43868541 is about 352.6828948777.

The spelling of 43868541 in words is "forty-three million, eight hundred sixty-eight thousand, five hundred forty-one".