6178994 has 4 divisors (see below), whose sum is σ = 9268494. Its totient is φ = 3089496.

The previous prime is 6178981. The next prime is 6179021. The reversal of 6178994 is 4998716.

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., 3853369 + 2325625 = 1963^2 + 1525^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1544747 + ... + 1544750.

Almost surely, 2^6178994 is an apocalyptic number.

6178994 is a deficient number, since it is larger than the sum of its proper divisors (3089500).

6178994 is a wasteful number, since it uses less digits than its factorization.

6178994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089499.

The product of its digits is 108864, while the sum is 44.

The square root of 6178994 is about 2485.7582344226. The cubic root of 6178994 is about 183.5013475389.

The spelling of 6178994 in words is "six million, one hundred seventy-eight thousand, nine hundred ninety-four".