4066998 has 32 divisors (see below), whose sum is σ = 9144576. Its totient is φ = 1196448.

The previous prime is 4066991. The next prime is 4067009. The reversal of 4066998 is 8996604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4066991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 661 + ... + 2927.

It is an arithmetic number, because the mean of its divisors is an integer number (285768).

Almost surely, 2^4066998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4066998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4572288).

4066998 is an abundant number, since it is smaller than the sum of its proper divisors (5077578).

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

4066998 is a wasteful number, since it uses less digits than its factorization.

4066998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 4066998 is about 2016.6799448599. The cubic root of 4066998 is about 159.6214749905.

The spelling of 4066998 in words is "four million, sixty-six thousand, nine hundred ninety-eight".