43949408 has 12 divisors (see below), whose sum is σ = 86525460. Its totient is φ = 21974688.

The previous prime is 43949407. The next prime is 43949419. The reversal of 43949408 is 80494934.

43949408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43949407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686678 + ... + 686741.

It is an arithmetic number, because the mean of its divisors is an integer number (7210455).

Almost surely, 2^43949408 is an apocalyptic number.

It is an amenable number.

43949408 is a deficient number, since it is larger than the sum of its proper divisors (42576052).

43949408 is a wasteful number, since it uses less digits than its factorization.

43949408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373429 (or 1373421 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 43949408 is about 6629.4349683815. The cubic root of 43949408 is about 352.8994730159.

The spelling of 43949408 in words is "forty-three million, nine hundred forty-nine thousand, four hundred eight".