3666798 has 48 divisors (see below), whose sum is σ = 8794656. Its totient is φ = 1098240.

The previous prime is 3666797. The next prime is 3666809. The reversal of 3666798 is 8976663.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666797) 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, 6778 + ... + 7298.

It is an arithmetic number, because the mean of its divisors is an integer number (183222).

Almost surely, 2^3666798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3666798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4397328).

3666798 is an abundant number, since it is smaller than the sum of its proper divisors (5127858).

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

3666798 is a wasteful number, since it uses less digits than its factorization.

3666798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 566 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 3666798 is about 1914.8885085038. Note that the first 3 decimals coincide. The cubic root of 3666798 is about 154.2040080312.

The spelling of 3666798 in words is "three million, six hundred sixty-six thousand, seven hundred ninety-eight".