43389674 has 4 divisors (see below), whose sum is σ = 65084514. Its totient is φ = 21694836.

The previous prime is 43389637. The next prime is 43389683. The reversal of 43389674 is 47698334.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 39753025 + 3636649 = 6305^2 + 1907^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10847417 + ... + 10847420.

Almost surely, 2^43389674 is an apocalyptic number.

43389674 is a deficient number, since it is larger than the sum of its proper divisors (21694840).

43389674 is a wasteful number, since it uses less digits than its factorization.

43389674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21694839.

The product of its digits is 435456, while the sum is 44.

The square root of 43389674 is about 6587.0838768001. The cubic root of 43389674 is about 351.3949067558.

The spelling of 43389674 in words is "forty-three million, three hundred eighty-nine thousand, six hundred seventy-four".