4159994 has 4 divisors (see below), whose sum is σ = 6239994. Its totient is φ = 2079996.

The previous prime is 4159979. The next prime is 4159997. The reversal of 4159994 is 4999514.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4141225 + 18769 = 2035^2 + 137^2 .

It is not an unprimeable number, because it can be changed into a prime (4159997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1039997 + ... + 1040000.

Almost surely, 2^4159994 is an apocalyptic number.

4159994 is a deficient number, since it is larger than the sum of its proper divisors (2080000).

4159994 is a wasteful number, since it uses less digits than its factorization.

4159994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2079999.

The product of its digits is 58320, while the sum is 41.

The square root of 4159994 is about 2039.6063345656. The cubic root of 4159994 is about 160.8289530219.

The spelling of 4159994 in words is "four million, one hundred fifty-nine thousand, nine hundred ninety-four".