43974349 has 4 divisors (see below), whose sum is σ = 44100700. Its totient is φ = 43848000.

The previous prime is 43974331. The next prime is 43974377. The reversal of 43974349 is 94347934.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26081449 + 17892900 = 5107^2 + 4230^2 .

It is a cyclic number.

It is not a de Polignac number, because 43974349 - 2⁵ = 43974317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43974449) 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, 62652 + ... + 63349.

It is an arithmetic number, because the mean of its divisors is an integer number (11025175).

Almost surely, 2^43974349 is an apocalyptic number.

It is an amenable number.

43974349 is a deficient number, since it is larger than the sum of its proper divisors (126351).

43974349 is a wasteful number, since it uses less digits than its factorization.

43974349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126350.

The product of its digits is 326592, while the sum is 43.

The square root of 43974349 is about 6631.3157819546. The cubic root of 43974349 is about 352.9662164353.

The spelling of 43974349 in words is "forty-three million, nine hundred seventy-four thousand, three hundred forty-nine".