4166993 has 4 divisors (see below), whose sum is σ = 4237680. Its totient is φ = 4096308.

The previous prime is 4166893. The next prime is 4166999. The reversal of 4166993 is 3996614.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4166993 - 2⁸ = 4166737 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4166999) 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 3 ways as a sum of consecutive naturals, for example, 35255 + ... + 35372.

It is an arithmetic number, because the mean of its divisors is an integer number (1059420).

Almost surely, 2^4166993 is an apocalyptic number.

It is an amenable number.

4166993 is a deficient number, since it is larger than the sum of its proper divisors (70687).

4166993 is an equidigital number, since it uses as much as digits as its factorization.

4166993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70686.

The product of its digits is 34992, while the sum is 38.

The square root of 4166993 is about 2041.3213857695. The cubic root of 4166993 is about 160.9190982762.

The spelling of 4166993 in words is "four million, one hundred sixty-six thousand, nine hundred ninety-three".