34443666 has 48 divisors (see below), whose sum is σ = 81589248. Its totient is φ = 10454400.

The previous prime is 34443659. The next prime is 34443667. The reversal of 34443666 is 66634443.

It is a super-2 number, since 2×34443666² = 2372732255039112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 34443666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34443667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7671 + ... + 11301.

It is an arithmetic number, because the mean of its divisors is an integer number (1699776).

Almost surely, 2^34443666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34443666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40794624).

34443666 is an abundant number, since it is smaller than the sum of its proper divisors (47145582).

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

34443666 is a wasteful number, since it uses less digits than its factorization.

34443666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687 (or 3684 counting only the distinct ones).

The product of its digits is 124416, while the sum is 36.

The square root of 34443666 is about 5868.8726345015. The cubic root of 34443666 is about 325.3642181088.

The spelling of 34443666 in words is "thirty-four million, four hundred forty-three thousand, six hundred sixty-six".