43949612 has 48 divisors (see below), whose sum is σ = 90892032. Its totient is φ = 18204480.

The previous prime is 43949611. The next prime is 43949621. The reversal of 43949612 is 21694934.

It is not an unprimeable number, because it can be changed into a prime (43949611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208187 + ... + 208397.

It is an arithmetic number, because the mean of its divisors is an integer number (1893584).

Almost surely, 2^43949612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43949612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45446016).

43949612 is an abundant number, since it is smaller than the sum of its proper divisors (46942420).

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

43949612 is a wasteful number, since it uses less digits than its factorization.

43949612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 436 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 43949612 is about 6629.4503542903. The cubic root of 43949612 is about 352.9000190329.

The spelling of 43949612 in words is "forty-three million, nine hundred forty-nine thousand, six hundred twelve".