43878842 has 8 divisors (see below), whose sum is σ = 75220896. Its totient is φ = 18805212.

The previous prime is 43878841. The next prime is 43878889. The reversal of 43878842 is 24887834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 43878793 and 43878802.

It is not an unprimeable number, because it can be changed into a prime (43878841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1567088 + ... + 1567115.

It is an arithmetic number, because the mean of its divisors is an integer number (9402612).

Almost surely, 2^43878842 is an apocalyptic number.

43878842 is a deficient number, since it is larger than the sum of its proper divisors (31342054).

43878842 is a wasteful number, since it uses less digits than its factorization.

43878842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134212.

The product of its digits is 344064, while the sum is 44.

The square root of 43878842 is about 6624.1106572883. The cubic root of 43878842 is about 352.7104978182.

The spelling of 43878842 in words is "forty-three million, eight hundred seventy-eight thousand, eight hundred forty-two".