43664106 has 8 divisors (see below), whose sum is σ = 87328224. Its totient is φ = 14554700.

The previous prime is 43664099. The next prime is 43664113. The reversal of 43664106 is 60146634.

It is an interprime number because it is at equal distance from previous prime (43664099) and next prime (43664113).

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

43664106 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3638670 + ... + 3638681.

It is an arithmetic number, because the mean of its divisors is an integer number (10916028).

Almost surely, 2^43664106 is an apocalyptic number.

43664106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

43664106 is a wasteful number, since it uses less digits than its factorization.

43664106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7277356.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 43664106 is about 6607.8821115392. The cubic root of 43664106 is about 352.1341871746.

The spelling of 43664106 in words is "forty-three million, six hundred sixty-four thousand, one hundred six".