43878396 has 24 divisors (see below), whose sum is σ = 102493440. Its totient is φ = 14610352.

The previous prime is 43878389. The next prime is 43878397. The reversal of 43878396 is 69387834.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43878397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16615 + ... + 19073.

It is an arithmetic number, because the mean of its divisors is an integer number (4270560).

Almost surely, 2^43878396 is an apocalyptic number.

It is an amenable number.

43878396 is an abundant number, since it is smaller than the sum of its proper divisors (58615044).

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

43878396 is a wasteful number, since it uses less digits than its factorization.

43878396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953 (or 3951 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 43878396 is about 6624.0769923062. The cubic root of 43878396 is about 352.7093027896.

The spelling of 43878396 in words is "forty-three million, eight hundred seventy-eight thousand, three hundred ninety-six".