6159994 has 8 divisors (see below), whose sum is σ = 9257940. Its totient is φ = 3074016.

The previous prime is 6159991. The next prime is 6159997. The reversal of 6159994 is 4999516.

It is an interprime number because it is at equal distance from previous prime (6159991) and next prime (6159997).

It can be written as a sum of positive squares in 2 ways, for example, as 5499025 + 660969 = 2345^2 + 813^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 6159994.

It is not an unprimeable number, because it can be changed into a prime (6159991) 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 in 3 ways as a sum of consecutive naturals, for example, 1569 + ... + 3844.

Almost surely, 2^6159994 is an apocalyptic number.

6159994 is a deficient number, since it is larger than the sum of its proper divisors (3097946).

6159994 is a wasteful number, since it uses less digits than its factorization.

6159994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5984.

The product of its digits is 87480, while the sum is 43.

The square root of 6159994 is about 2481.9335204634. The cubic root of 6159994 is about 183.3130695693.

It can be divided in two parts, 615 and 9994, that added together give a square (10609 = 103²).

The spelling of 6159994 in words is "six million, one hundred fifty-nine thousand, nine hundred ninety-four".