43878980 has 24 divisors (see below), whose sum is σ = 96996480. Its totient is φ = 16627680.

The previous prime is 43878971. The next prime is 43878983. The reversal of 43878980 is 8987834.

It is not an unprimeable number, because it can be changed into a prime (43878983) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 57356 + ... + 58115.

It is an arithmetic number, because the mean of its divisors is an integer number (4041520).

Almost surely, 2^43878980 is an apocalyptic number.

It is an amenable number.

43878980 is an abundant number, since it is smaller than the sum of its proper divisors (53117500).

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

43878980 is a wasteful number, since it uses less digits than its factorization.

43878980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115499 (or 115497 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 43878980 is about 6624.1210737727. The cubic root of 43878980 is about 352.7108675787.

The spelling of 43878980 in words is "forty-three million, eight hundred seventy-eight thousand, nine hundred eighty".