43998849 has 8 divisors (see below), whose sum is σ = 65183520. Its totient is φ = 29332548.

The previous prime is 43998811. The next prime is 43998869. The reversal of 43998849 is 94889934.

It is not a de Polignac number, because 43998849 - 2¹¹ = 43996801 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 43998795 and 43998804.

It is not an unprimeable number, because it can be changed into a prime (43998869) 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, 814767 + ... + 814820.

It is an arithmetic number, because the mean of its divisors is an integer number (8147940).

Almost surely, 2^43998849 is an apocalyptic number.

It is an amenable number.

43998849 is a deficient number, since it is larger than the sum of its proper divisors (21184671).

43998849 is a wasteful number, since it uses less digits than its factorization.

43998849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629596 (or 1629590 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 43998849 is about 6633.1628202540. The cubic root of 43998849 is about 353.0317551490.

The spelling of 43998849 in words is "forty-three million, nine hundred ninety-eight thousand, eight hundred forty-nine".