43034421 has 8 divisors (see below), whose sum is σ = 58070880. Its totient is φ = 28343792.

The previous prime is 43034419. The next prime is 43034447. The reversal of 43034421 is 12443034.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43034421 - 2¹ = 43034419 is a prime.

It is a super-2 number, since 2×43034421² = 3703922781610482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43034471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86166 + ... + 86663.

It is an arithmetic number, because the mean of its divisors is an integer number (7258860).

Almost surely, 2^43034421 is an apocalyptic number.

It is an amenable number.

43034421 is a deficient number, since it is larger than the sum of its proper divisors (15036459).

43034421 is a wasteful number, since it uses less digits than its factorization.

43034421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172915.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 43034421 is about 6560.0625759211. The cubic root of 43034421 is about 350.4332620866.

Adding to 43034421 its reverse (12443034), we get a palindrome (55477455).

The spelling of 43034421 in words is "forty-three million, thirty-four thousand, four hundred twenty-one".