43249956 has 12 divisors (see below), whose sum is σ = 100916592. Its totient is φ = 14416648.

The previous prime is 43249951. The next prime is 43249963. The reversal of 43249956 is 65994234.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (43249951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1802070 + ... + 1802093.

It is an arithmetic number, because the mean of its divisors is an integer number (8409716).

Almost surely, 2^43249956 is an apocalyptic number.

It is an amenable number.

43249956 is an abundant number, since it is smaller than the sum of its proper divisors (57666636).

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

43249956 is a wasteful number, since it uses less digits than its factorization.

43249956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3604170 (or 3604168 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The square root of 43249956 is about 6576.4698737240. The cubic root of 43249956 is about 351.0173285493.

The spelling of 43249956 in words is "forty-three million, two hundred forty-nine thousand, nine hundred fifty-six".