43980006 has 32 divisors (see below), whose sum is σ = 102032640. Its totient is φ = 12377376.

The previous prime is 43979993. The next prime is 43980019. The reversal of 43980006 is 60008934.

It is an interprime number because it is at equal distance from previous prime (43979993) and next prime (43980019).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5001 + ... + 10628.

It is an arithmetic number, because the mean of its divisors is an integer number (3188520).

Almost surely, 2^43980006 is an apocalyptic number.

43980006 is an abundant number, since it is smaller than the sum of its proper divisors (58052634).

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

43980006 is a wasteful number, since it uses less digits than its factorization.

43980006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15708.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 43980006 is about 6631.7423050055. The cubic root of 43980006 is about 352.9813513516.

The spelling of 43980006 in words is "forty-three million, nine hundred eighty thousand, six".