6191994 has 8 divisors (see below), whose sum is σ = 12384000. Its totient is φ = 2063996.

The previous prime is 6191959. The next prime is 6192023. The reversal of 6191994 is 4991916.

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

6191994 is an admirable number.

It is a Curzon 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, 515994 + ... + 516005.

It is an arithmetic number, because the mean of its divisors is an integer number (1548000).

Almost surely, 2^6191994 is an apocalyptic number.

6191994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6191994 is a wasteful number, since it uses less digits than its factorization.

6191994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032004.

The product of its digits is 17496, while the sum is 39.

The square root of 6191994 is about 2488.3717567920. The cubic root of 6191994 is about 183.6299470329.

The spelling of 6191994 in words is "six million, one hundred ninety-one thousand, nine hundred ninety-four".