4166638 has 8 divisors (see below), whose sum is σ = 7142832. Its totient is φ = 1785696.

The previous prime is 4166629. The next prime is 4166641. The reversal of 4166638 is 8366614.

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

It is a congruent 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, 148795 + ... + 148822.

It is an arithmetic number, because the mean of its divisors is an integer number (892854).

Almost surely, 2^4166638 is an apocalyptic number.

4166638 is a deficient number, since it is larger than the sum of its proper divisors (2976194).

4166638 is a wasteful number, since it uses less digits than its factorization.

4166638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297626.

The product of its digits is 20736, while the sum is 34.

The square root of 4166638 is about 2041.2344304366. The cubic root of 4166638 is about 160.9145284019.

The spelling of 4166638 in words is "four million, one hundred sixty-six thousand, six hundred thirty-eight".