43474989 has 8 divisors (see below), whose sum is σ = 59836672. Its totient is φ = 28048320.

The previous prime is 43474979. The next prime is 43474997. The reversal of 43474989 is 98947434.

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

It is not a de Polignac number, because 43474989 - 2⁸ = 43474733 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43474919) 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, 233644 + ... + 233829.

It is an arithmetic number, because the mean of its divisors is an integer number (7479584).

Almost surely, 2^43474989 is an apocalyptic number.

It is an amenable number.

43474989 is a deficient number, since it is larger than the sum of its proper divisors (16361683).

43474989 is a wasteful number, since it uses less digits than its factorization.

43474989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467507.

The product of its digits is 870912, while the sum is 48.

The square root of 43474989 is about 6593.5566274963. The cubic root of 43474989 is about 351.6250661941.

The spelling of 43474989 in words is "forty-three million, four hundred seventy-four thousand, nine hundred eighty-nine".